Glycine Combat Sub SportvsWren Diver One Aqua
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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.

Combat Sub Sport

Diver One Aqua
Diameter
42mm
41mm
Lug-to-Lug
n/a
47mm
Thickness
10.4mm
lowest
13.3mm
Water Resistance
200m
200m
Power Reserve
38h
38h
MSRP
$540
lowest
$965
Movement
Sellita SW200-1
Sellita SW200-1
Case
7 specsCrystal & Dial
5 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Glycine Combat Sub Sport for its exceptional value, often found under $400, its solid build with brushed finishing, and its notably thin case profile, with many sources citing dimensions around 10.4mm to 10.8mm, making it comfortable and wearable. Reviewers and owners consistently highlight its unique, non-homage aesthetic and excellent timekeeping, with some reporting accuracy within +1/+2 seconds per day, though one owner noted their Sellita SW200 movement ran at approximately +6 to +9 seconds per day. Some owners dislike the "COMBAT" text on the dial and find the lume sub-par, while others note inconsistent power reserve not always reaching the advertised 42 hours. On balance, owners and reviewers rate the Glycine Combat Sub Sport highly for its outstanding value and comfortable, thin wearability.
Owners widely praise the Wren Diver One Aqua for its slim 10.7mm case and 45mm lug-to-lug, contributing to comfortable daily wear and ease of servicing thanks to its Swiss movement. However, one owner notes the narrow hands' lume may fade too quickly for sufficient visibility. Reviewers mention a vintage-inspired design with a fumé sandwich dial and bright blue lume. On balance, owners and reviewers find the Wren Diver One Aqua a comfortable and well-serviced daily wear option, with its slim profile being a significant draw.
The sandwich dial with box crystal delivers a distinct vintage aesthetic that stands out at the price point. The flat-link bracelet completes the classic diver design. Reviewers noted the bezel action as a notable comparison point against competitors.
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