Bremont Supermarine 300MvsLaco Köln
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
Supermarine 300M
Köln
Diameter
40mm
41mm
Thickness
12mm
n/a
Water Resistance
300m
highest
200m
MSRP
$3,550
$1,440
lowest
Movement
Bremont BE-92AE
Sellita SW200-1
Case
5 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Bremont Supermarine 300M is praised for its comfortable 40mm case, which some owners find wears well even on smaller wrists due to its lug design, outperforming some 40mm watches. One forum contributor notes the 40mm case is relatively compact for a 300m diver and is priced at $1375. A reviewer found the 40mm case comfortable. On balance, owners and reviewers appreciate the Bremont Supermarine 300M's wearable 40mm case size and comfortable wearability.
Owners praise the Laco Köln's Type B dial for legibility and lume, with one owner finding the manual winding feel superior and noting consistent accuracy of +2.5 seconds per day. The timing bezel is considered practical. However, the 49.5mm lug-to-lug and male end links make the 41mm Laco Köln too large for wrists smaller than 6 inches. On balance, owners value the Laco Köln for its legible Type B dial and practical bezel, despite its substantial lug-to-lug measurement.
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