Glycine Men's Combat Sub Sport 39mm Automatic WatchvsSTEELDIVE SD1906T

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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.

Men's Combat Sub Sport 39mm Automatic Watch

SD1906T
Diameter
39mm
39mm
Lug-to-Lug
n/a
49mm
Thickness
11.2mm
lowest
12.5mm
Water Resistance
300m
highest
200m
Power Reserve
41h
n/a
MSRP
$540
$108
lowest
Movement
Sellita SW200-1
Seiko NH35
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Glycine Men's Combat Sub Sport 39mm Automatic Watch for its excellent value, with many considering it the best watch they own for its price point. Its solid build, reliability, and attractive design are frequently highlighted, alongside a surprisingly thin profile and comfortable wearability for daily use. Some owners report accurate timekeeping around +3 seconds per day, and the bezel action is described as satisfyingly clicky. One owner notes that their 4-year-old Glycine Combat Sub still exhibits excellent quality. The 39mm size is particularly favored for its sleekness and versatility, with some regretting not choosing it over larger variants. On balance, owners rate the Glycine Men's Combat Sub Sport 39mm Automatic Watch highly for its exceptional value and well-executed design.
Owners widely praise the STEELDIVE SD1906T for its exceptional value and excellent lume, with one owner reporting perfect timekeeping and another finding it performs flawlessly underwater. Some owners note quality concerns, such as small bubbles on the dial or a difficult-to-screw-in crown, and one reviewer found the bracelet quality poor, suggesting the value is primarily in the watch head. The STEELDIVE SD1906T is considered a great watch for its price, with lume that glows brightly, though one source speculates about the specific type of luminous material used. Overall, owners rate the STEELDIVE SD1906T highly for its impressive value and luminous performance at the price point.
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