Circula Watches DiveSportvsGlycine Combat Sub Box Ceramic
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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.

DiveSport

Combat Sub Box Ceramic
Diameter
42mm
41mm
Lug-to-Lug
48.5mm
n/a
Thickness
13.4mm
12.8mm
lowest
Water Resistance
500m
highest
200m
Power Reserve
41h
highest
38h
MSRP
n/a
$1,800
Movement
Sellita SW200-1
Sellita SW200-1
Case
7 specsCrystal & Dial
5 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Circula Watches DiveSport is widely praised for its exceptional value, featuring a hardened titanium case with 1200 Vickers hardness and German manufacturing. Owners and reviewers highlight the textured dial, lightweight comfort, and robust specifications, including 500m water resistance and a Sellita SW200-1 automatic movement. Some find the 13.4mm thickness substantial and the bezel firm, while one owner notes the bracelet can appear and feel generic. Accuracy is reported within -5/+7 seconds per day, and a prototype's date disc was considered too dark. Overall, owners and reviewers rate the Circula Watches DiveSport highly for its hardened titanium construction and value for money.
The lume on the Circula DiveSport is exceptionally bright. Reviewers did not identify any shared weaknesses.
Owners widely praise the Glycine Combat Sub Box Ceramic for its exceptional thinness, comfortable 41mm case, and unique, non-homage design, with one owner calling it the best dive watch under $400 due to superior finishing and value. The bezel action is described as solid and precise, and the dial is legible with good lume on the hands. However, multiple sources flag inconsistent power reserve, sub-par lume on the markers that fades quickly, and a subpar stock strap or bracelet. One owner reported the bezel detaching after a light bump, raising questions about build quality, while others note potential issues with the stem or anti-reflective coating. Accuracy figures vary, with one owner seeing it run about 2.5 seconds fast per day. Overall, owners rate the Glycine Combat Sub Box Ceramic highly for its comfortable thin case and unique design at its price point.
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