Glycine Men's Combat Field 42mm Automatic Watch GL0571vsSmiths NATO PRS-40 AUTOMATIC
The measurements
Sized up.
Catalogue photos are all shot at the same flattering size. These aren't: every case below shares one millimetre scale.

Men's Combat Field 42mm Automatic Watch GL0571

NATO PRS-40 AUTOMATIC
Diameter
42mm
40.2mm
Lug-to-Lug
n/a
54.7mm
Thickness
11.6mm
lowest
12.3mm
Water Resistance
100m
100m
Power Reserve
n/a
50h
MSRP
$380
$315
lowest
Movement
Sellita SW200-1
Seiko 6R15
Case
3 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsWhat people say
Owners + reviewers, side by side.
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Glycine Men's Combat Field 42mm Automatic Watch GL0571 for its excellent quality and value, with many noting its impressive accuracy, with one owner reporting it runs within one second per day after regulation. Reviewers and owners alike highlight its surprisingly thin 10.4mm case and good proportions for smaller wrists, as well as its rugged build and durable PVD coating, making it a potential "forever" watch. Some owners find the winding action smoother than other brands in its price range. However, multiple sources mention sub-par lume and inconsistent power reserve, with the watch sometimes failing to reach its advertised 42 hours. The bracelet is also frequently cited as a weak point, though the watch is praised for its appearance on various straps. One owner reported a negative warranty experience after a movement failure.
Smiths NATO PRS-40 AUTOMATIC owners praise its rugged, futuristic, and unique design, with some describing it as "badass" and others finding it an acquired taste with 70s or "Gattaca" influences. The watch is noted for its smooth-winding Seiko 6R15 movement and is considered "bombproof" for harsh environments, making it a suitable "beater/grab and go" option. While the purchase process can be difficult due to limited stock, one owner reported quick delivery. The 12 o'clock crown position is seen as unique and easy to use by rolling. On balance, owners appreciate the Smiths NATO PRS-40 AUTOMATIC for its distinctive, robust design and reliable movement at its price point.
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