Circula Watches DiveSportvsDOXA SUB 300
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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

SUB 300
Diameter
42mm
42.5mm
Lug-to-Lug
48.5mm
n/a
Thickness
13.4mm
n/a
Water Resistance
500m
highest
300m
Power Reserve
41h
highest
38h
MSRP
n/a
$2,890
Movement
Sellita SW200-1
Automatic
Case
6 specsCrystal & Dial
4 specsMovement
2 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.
The DOXA SUB 300 is widely praised for its wearability, vibrant color options, and modern updates like improved lume, with reviewers calling it the brand's most desirable model. Owners note its comfortable wear, clean cushion case, and legible dials, though some find the 42.5mm case a bit large. The bezel action is outstanding, and the beads-of-rice bracelet contributes to a smaller perceived size. However, some owners report issues with bracelet end links sticking out, a sharp clasp edge, sub-standard screw pins, and disappointing lume. The polished bezel surface is also noted as prone to scratches, and the clasp's top section and clip are described as feeling "tinnyness" and too sixties. On balance, owners and reviewers rate the DOXA SUB 300 highly for its compelling charm and modern updates, despite some noted bracelet and clasp refinements.
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