Glycine Combat Sub Box CeramicvsResco Stainless
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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 Box Ceramic

Stainless
Diameter
41mm
42mm
Lug-to-Lug
n/a
50mm
Thickness
12.8mm
lowest
13mm
Water Resistance
200m
200m
Power Reserve
38h
n/a
MSRP
$1,800
lowest
$1,955
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.
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.
Owners widely praise Resco's customer service, with one owner noting their watch was repaired quickly and affordably after a severe accident, and another appreciating the brand's veteran-owned roots and Navy Seal heritage. The cases are described as strong, and the watches are considered durable and suitable for outdoor activities. One owner specifically mentions the cool dial design with small 0.2-second indices and a trident second hand. However, one owner reported rusting issues on the case by the time and date adjusting screw, which the company stated is normal and may require cleaning. Another owner felt Resco watches are not great value for money given their ETA movements and price. Accuracy figures vary, with one owner reporting a loss of -9 seconds in 7 days while the watch was breaking in. Overall, owners value Resco Stainless for its durability and strong customer service, despite some concerns about value for money and occasional case maintenance.
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