Obris Morgan band size chart by collection

Obris Morgan is a Hong Kong micro brand [2] that built its reputation on batch-produced dive watches with genuine spec discipline: sapphire with inner AR coating, Miyota 9015 or Swiss ETA 2824-2 movements, 200m water resistance, and prices that ran from $329 for the original SeaStar to $439 for the current SeaStar batches [24][7]. Every collection page prints a Technical Spec block, and that block always carries the lug width [3]. We pulled all seven current collection pages fresh en-US, all HTTP 200, and the headline is simple: six collections print 20.00mm Lug Width, one prints 22.00mm, and the 22 is the Infinity. No consolidated chart of this exists anywhere else: watchbands.ai's index of 188 brands has no Obris Morgan entry [15] and both build-time searches came back with zero organic results [16][17].

Quick answers: 20mm on Port, Aegis-II, Explorer-II, Nautilus, SeaStar60s and SeaStar70s. 22mm on the Infinity, and only the Infinity. The brand sells its own NBR01 rubber straps in exactly these two widths, 20mm and 22mm, so the wrong width is a wrong purchase even when you buy brand-direct [10][11].

The chart: 7 collections, two widths, one 22

CollectionCase (mm)Lug to lug (mm)Thick (mm)Lug widthAs printed
Port [3]39.00 (bezel 42.20)48.0011.4020mmWatch Case 39.00mm X 48.00mm 20.00mm Lug Width 11.40mm thickness (Flat Crystal)
Aegis-II [4]42.00 (bezel 42.00)53.2011.5020mmWatch Case 42.00mm X 53.20mm 20.00mm Lug Width 11.50mm thickness
Explorer-II [5]42.005112.0020mm42.00mm x 51mm x 12.00 mm 20.00mm Lug Width
Nautilus [6]41.00 (bronze CuSn8)49.6011.2020mm41.00mm x 49.60mm x 11.20 mm 20.00mm Lug Width
SeaStar60s [7]40.40 (bezel 40.00)50.0011.20 / 12.0020mmWatch Case 40.40mm X 50.00mm 20.00mm Lug Width 11.20mm thickness (Flat Crystal) 12.00mm thickness (Double Domed)
SeaStar70s [8]40.40 (bezel 40.00)50.0011.20 / 12.0020mmWatch Case 40.40mm X 50.00mm 20.00mm Lug Width 11.20mm thickness (Flat Crystal) 12.00mm thickness (Double Domed)
Infinity [9]43.005014.5022mm43.00mm x 50mm x 14.50 mm 22.00mm Lug Width

Every row is quoted from a fresh en-US pull of the collection's own page at build time. Nothing is transcribed from memory, and nothing is filled in where the brand prints nothing: the lug width is printed on all seven pages, so no row carries a flag. Two print formats appear, and both are preserved verbatim in the last column. The Port, Aegis-II and both SeaStars print a bezel figure and then a separate Watch Case line in case X lug-to-lug form [3]; the Explorer-II, Nautilus and Infinity print a single diameter x lug-to-lug x thickness triple [5]. The SeaStar pair is the one place the thickness column needs two numbers, because the brand prints both: 11.20mm on the flat crystal and 12.00mm on the double domed [7].

The split: six 20s and one 22

Most one-width brands make strap buying boring in a good way. Obris Morgan makes it almost that simple, with one twist worth a lookup. Six of the seven collections sit on 20mm lugs across case sizes from 39 to 42mm: the compact Port at 39mm, the 42mm Aegis-II and Explorer-II, the 41mm bronze Nautilus, and the twin 40.4mm SeaStars [3][4][5][6][7][8]. The seventh, the 43mm Infinity with its ETA 2824-2 and 14.5mm slab of a case, is the only 22mm watch the brand currently lists [9].

The twist is that the case-size rule of thumb points the wrong way on both sides. By the usual convention a 42mm diver takes 22mm lugs; the Aegis-II and Explorer-II at 42mm both take 20mm [4][5]. And the biggest watch in the catalog is not the widest at the lugs by strap convention either, since 43mm usually means 22mm, which happens to be right, but for the reason you would not guess: everything else in the catalog is a size down at 20mm, so the Infinity owner assuming brand uniformity buys the wrong strap. The brand makes the consequence concrete by selling its own NBR01 vanilla-scented rubber straps in exactly two collections, 20mm and 22mm [10][11]: pick your width by your collection's row, not by what your friend's Obris Morgan takes.

One more measurement nuance the Port owner should know. The Port prints both a bezel figure of 42.20mm and a case figure of 39.00mm X 48.00mm [3]. Forum posts and even the brand's own homepage description call it a 42mm watch because the bezel is what you see first, but the case is a 39mm design with a broad bezel on top, and the strap it takes is the 20mm one. Judge the wrist size by the 48mm lug-to-lug, not the bezel ring.

Reading the spec blocks: two formats, one habit

Obris Morgan's Technical Spec blocks are unusually quotable because they are uniform within two formats. The three newest-style pages print the case as its own line, with the bezel diameter printed separately above it, which is why the Port reads Bezel 42.20mm and then Watch Case 39.00mm X 48.00mm [3], and why both SeaStars read Bezel 40.00mm above Watch Case 40.40mm X 50.00mm [7]. The other four compress everything into one triple: diameter, lug-to-lug, thickness, in that order, followed immediately by the lug width [5]. The crown size prints on the triple-format pages only, from 8.00mm x 3.20mm on the Explorer-II to 8.00mm x 4.70mm on the Infinity [9].

The habit worth keeping: on either format, the lug width always prints to two decimal places, as 20.00mm or 22.00mm, which makes it easy to spot in a wall of text and easy to verify against this table. If a listing or a seller page prints a width for one of these watches that is not one of those two numbers, the listing is wrong, not the table.

The semi-dormant catalog: what is actually for sale

Strap buyers should know what state the store is in. Of the seven collections, five are literally empty shelves right now: the Port, Aegis-II, Explorer-II, Nautilus and Infinity pages all render their spec block and then the line Collection is empty underneath it [3][4][5][6][9]. Only the two SeaStars carry live product, three PVD-finished references each at $439 [7][8]. This matches how the brand has always operated: watches are produced in batches, announced, sold out, and the collection page waits for the next drop.

What that means for you: if you own an Obris Morgan, it is more likely a secondary-market or batch-drop piece than a current-store purchase, and the collection pages remain the brand-side spec authority even when their shelves are empty. The full store enumeration at build time: 24 product URLs in the products sitemap (18 of them straps and accessories, 6 of them the live SeaStar watch references) [12], 16 collections [13], and 41 static pages, most of them review reposts [14]. The strap business is the part of the store that never went dormant, which is exactly why the two widths matter: the 20mm and 22mm NBR01 pages are live, stocked, and one of them is the wrong one for your watch if you skip the table.

Retired models: the reviews the brand still hosts

Obris Morgan does not publish owner handbooks. What it hosts instead is a Review section that reposts the full text of third-party reviews, and those reviews carry the specification blocks for the models that have left the catalog [14]. Pulled fresh at build time, the archive widths are:

Retired modelCaseLug to lugLug widthSource line
Explorer-I (DLC) [19]42mm51mm20mm42 x 51 x 12mm DLC steel case with 20mm lug width
Aegis Gen-I (DLC) [22]42mmnot printed20mm42mm diameter 20mm lug width 219g net weight
SeaStar (original) [24]40mm50mm20mm40mm Width 50mm Lug to Lug 20mm Lug Width 11.2 mm Thick
Branco (blasted / PVD titanium) [20]43mm51mm22mmDimensions: 43mm x 51mm Thickness: 12mm Lug Width: 22mm
Pradata (brush) [21]43mm (bezel 44mm)almost 53mm22mmThe lug to lug measures almost 53mm and the lug width 22mm
Infinity (2017 batch) [23]43mm50mm22mm43mm Stainless Case 22mm Lug Width 50mm Lug to Lug 14.5mm Thick
Nevon (blasted / PVD) [25]not printednot printednot printedno width or case figure in the hosted review text

The archive confirms the pattern rather than breaking it: the mid-size 42mm tools (Explorer-I, Aegis Gen-I) and the original 40mm SeaStar were 20mm watches, while the big 43mm-plus cases (Branco titanium, Pradata) were 22mm, same as the Infinity that survives them. The current Explorer-II and Aegis-II inherited their predecessors' 20mm width at the same 42mm case size [4][5], and the SeaStar60s and 70s carry the original SeaStar's 20mm at nearly its case size [7]. If your Obris Morgan predates the current seven collections and is not in this table, the brand's Review section is the place to look: every hosted review was enumerated for this chart [14], and the Nevon is the only one whose repost prints no width at all.

How this catalog was counted

Three brand-side surfaces were enumerated so no collection was missed. The collections index lists 15 collection links [1]; the collections sitemap lists 16, including the frontpage and all views [13]. Of those, exactly 7 are watch collections: Port, Aegis-II, Explorer-II, Nautilus, SeaStar60s, SeaStar70s, Infinity. The other 8 are strap and parts collections (the 20mm and 22mm NBR01 pages, the shark-fin rubber, the bund, ITC and leather straps, and the SeaStar replacement parts) plus the all view and the frontpage; they are excluded from the chart because a strap collection is a band for a watch, not a watch. The products sitemap's 24 URLs break down as 6 live watch references (all SeaStar PVD variants) and 18 straps and accessories [12], matching the empty-collection markers on the five dormant pages.

Why no one else has this chart

The incumbent check was run at build time, two methods. watchbands.ai, the largest strap-size database, lists 188 brands on its index with its seiko, citizen and rolex entries all present and no Obris Morgan entry by slug or by text [15]. Bing returns zero organic results for both queries that would surface a consolidated chart [16][17], and the second search engine sweep returned only the brand's own pages, single-model review prose, and strap review threads [18]. The nearest things that exist: a watchuseek strap review of the NBR01 rubber straps that confirms the brand sells both a 20mm and a 22mm version [26], and single-model reviews like the WatchReport SeaStar hands-on that print one watch's specs at a time [24]. Neither is a chart across the catalog. This page is the consolidated table the brand never published, built entirely from the brand's own pages, with every row carrying its collection-page citation.

Related guides

Sources

  1. obrismorgan.com collections index (15 collection links, fresh en-US pull at build, http 200): www.obrismorgan.com/collections
  2. obrismorgan.com homepage (brand introduction and current store state, fresh en-US pull at build, http 200): www.obrismorgan.com
  3. obrismorgan.com collection page: Port (fresh en-US pull at build, http 200): www.obrismorgan.com/collections/port
  4. obrismorgan.com collection page: Aegis-II (fresh en-US pull at build, http 200): www.obrismorgan.com/collections/aegis-ii
  5. obrismorgan.com collection page: Explorer-II (fresh en-US pull at build, http 200): www.obrismorgan.com/collections/explorer-ii
  6. obrismorgan.com collection page: Nautilus (fresh en-US pull at build, http 200): www.obrismorgan.com/collections/nautilus
  7. obrismorgan.com collection page: SeaStar60s (fresh en-US pull at build, http 200): www.obrismorgan.com/collections/seastar60s
  8. obrismorgan.com collection page: SeaStar70s (fresh en-US pull at build, http 200): www.obrismorgan.com/collections/seastar70s
  9. obrismorgan.com collection page: Infinity (fresh en-US pull at build, http 200): www.obrismorgan.com/collections/infinity
  10. obrismorgan.com collection page: 20mm NBR01 Rubber Strap (fresh en-US pull at build, http 200): www.obrismorgan.com/collections/20mm-nbr01-rubber-strap
  11. obrismorgan.com collection page: 22mm NBR01 Rubber Strap (fresh en-US pull at build, http 200): www.obrismorgan.com/collections/22mm-nbr01-rubber-strap
  12. obrismorgan.com products sitemap (24 URLs: 6 watch references, 18 straps and accessories; fresh pull at build, http 200): www.obrismorgan.com/sitemap_products_1.xml
  13. obrismorgan.com collections sitemap (16 collections; fresh pull at build, http 200): www.obrismorgan.com/sitemap_collections_1.xml
  14. obrismorgan.com pages sitemap (41 pages, majority review reposts; fresh pull at build, http 200): www.obrismorgan.com/sitemap_pages_1.xml
  15. watchbands.ai brand index, fresh pull at build (188 brands, controls seiko/citizen/rolex present, no Obris Morgan): watchbands.ai/brands
  16. Bing search: "obris morgan" band size chart (zero organic results, b_no): www.bing.com/search?q=%22obris+morgan%22+band+size+chart
  17. Bing search: "obris morgan" lug width guide (zero organic results, b_no): www.bing.com/search?q=%22obris+morgan%22+lug+width+guide
  18. Second-engine SERP sweep at build (brand pages, single-model reviews, strap threads; no consolidated chart): web_search method-A sweep, logged in build notes
  19. Brand-hosted review repost: EXPLORER-I DLC Version Review on Worn&Wound.com (fresh en-US pull at build, http 200): www.obrismorgan.com/pages/explorer-dlc-version-review-on-worn-wound-com
  20. wornandwound.com review: Obris Morgan Branco PVD (Dimensions: 43mm x 51mm Thickness: 12mm Lug Width: 22mm; fresh pull at build, http 200): wornandwound.com/review/obris-morgan-branco-pvd-review (brand hosts a different Branco repost without the dimension block: obrismorgan.com/pages/branco-blasted-version-review-on-watchitallabout-com)
  21. Brand-hosted review repost: PRADATA Brush Version Review on WatchFreeks.com (fresh en-US pull at build, http 200): www.obrismorgan.com/pages/pradata-brush-version-review-on-watchfreeks-com
  22. Brand-hosted review repost: AEGIS Gen-I DLC Version Review on WatchReport.com (fresh en-US pull at build, http 200): www.obrismorgan.com/pages/aegis-gen-i-dlc-version-review-on-watchreport-com
  23. Brand-hosted review repost: Infinity Review on WatchReport.com (fresh en-US pull at build, http 200): www.obrismorgan.com/pages/infinity-review-on-watchreport-com
  24. watchreport.com: Obris Morgan SeaStar hands-on review (original SeaStar specs; fresh pull at build, http 200): www.watchreport.com/obris-morgan-seastar-hands-review
  25. Brand-hosted review repost: NEVON Blasted and PVD Version Review on Worn&Wound.com (no width printed; fresh en-US pull at build, http 200): www.obrismorgan.com/pages/nevon-blasted-and-pvd-version-review-on-worn-wound-com
  26. watchuseek strap review thread: Obris Morgan Vanilla Scented Natural Rubber Strap, NBR01 20mm and 22mm (surfaced via SERP sweep; adjacent non-competing surface, not a chart): www.watchuseek.com/threads/strap-review-obris-morgan-vanilla-scented-natural-rubber-strap.1572970