Supermarine 300M 40mm
Supermarine 300M-Green · Green, no date
How it wears
Wears larger than its 40 mm case suggests
Bremont Supermarine 300M 40mm measures 49 mm lug-to-lug on a 40 mm case, a lug-to-lug ratio of 1.23 against a database median of 1.18. That span is longer than 73% of the 7,421 watches in this database and longer than 40% of the 63 Bremont watches listed.
A flat wrist width of 55 mm (2.17 in) or more keeps it in the balanced range, and from 66 mm (2.60 in) it starts to look compact. Below 49 mm (1.93 in) the lugs are likely to overhang the wrist. Flat wrist width is measured straight across the top of the wrist, not around it.
Wrist fit analyzer
Fit reference
Fills most of the wrist for a bold, sporty fit; lug shape and end links matter.
Sources
- https://sf.delugs.com/api/strap-finder
Delugs Strap Finder API lists 40mm case diameter, 49mm lug-to-lug distance, 20mm lug width for Bremont Supermarine Supermarine 300M Supermarine 300M-Green.
- https://monochrome-watches.com/2024-new-bremont-supermarine-300m-dive-watch-collection-hands-on-review-specs-price/
MONOCHROME reports 49mm lug-to-lug, 40mm case size/width for Bremont Supermarine 300M in “The Breakpoint Watch… The Entirely New Bremont Supermarine 300m.” The article's explicit planar case length/top-to-bottom dimension is stored as the lug-to-lug equivalent.
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