Glycine Combat SubvsTudor Pelagos FXD Chrono
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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

Pelagos FXD Chrono
Diameter
42mm
43mm
Thickness
10.4mm
lowest
13.6mm
Water Resistance
200m
200m
Power Reserve
38h
70h
highest
MSRP
$515
lowest
$5,875
Movement
Sellita SW200-1
Tudor MT5813
Case
6 specsCrystal & Dial
5 specsMovement
5 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 for its exceptional thinness, with sources noting case thicknesses around 10.4mm to 10.8mm, perfect proportions, and a refined aesthetic that avoids homage designs. Many highlight its significant value, especially at discounted prices, and its solid build quality. Some owners report an inconsistent power reserve and sub-par lume that can be difficult to read at night, while one owner noted a slightly off-color lume pip on the chapter ring. Overall, owners rate the Glycine Combat Sub highly for its blend of wearability and value.
The Glycine Combat Sub offers good value at its price point, with reviewers highlighting its attractive design and comfortable wear. However, multiple reviewers noted areas where cost-saving measures are apparent in the build quality.
The Tudor Pelagos FXD Chrono is widely praised for its lightweight carbon composite case, making it comfortable and easy to wear, especially on wrists accustomed to smaller watches. Its exceptional legibility, particularly underwater, and the functional bidirectional countdown bezel are highlighted as key strengths for its intended tool-watch purpose. Owners and reviewers note the MT5813 automatic movement's COSC certification and 70-hour power reserve, with accuracy figures ranging from -2 to +4 seconds per day. Some variants, like the Cycling Edition, feature a tachymeter scale, though its practicality for modern cyclists is debated, and water resistance is noted as 100m for these specific models, differing from the 200m of other FXD versions. On balance, owners and reviewers highly rate the Tudor Pelagos FXD Chrono for its robust, lightweight build and excellent legibility, making it a capable tool watch.
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