CWC Automatic Divers Watch Mk.2 Black with DatevsLum-Tec Solar Marine

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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.

CWC Automatic Divers Watch Mk.2 Black with Date at true scale

Automatic Divers Watch Mk.2 Black with Date

Lum-Tec Solar Marine at true scale

Solar Marine

Diameter

45mm

39mm

Lug-to-Lug

47mm

43.5mm

lowest

Thickness

n/a

10.7mm

Water Resistance

300m

300m

MSRP

$926

$463

lowest

Movement

Ronda 517

Automatic

Case

4 specs
Diameter
45mm
39mm
Thickness
n/a
10.7mm
Lug-to-Lug
47mm
43.5mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)

Crystal & Dial

1 specs
Dial Color
n/a
Steel

Movement

2 specs
Caliber
Ronda 517
n/a
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$926
$463
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

CWC Automatic Divers Watch Mk.2 Black with Date

Owners widely praise the CWC (Cabot Watch Company) Automatic Divers Watch Mk.2 Black with Date for its excellent case finishing, robust 120-click bezel action, and significantly improved lume compared to previous models. Reviewers and owners alike highlight its military provenance and value as a unique daily wear, with a scratch-resistant sapphire crystal and day-date complication adding to its appeal. Some owners note fixed spring bars as a potential drawback, and one reviewer found the "faux patina" lume on a similar model to be too gold and glossy. Accuracy figures vary, with one owner reporting it running 3 seconds fast per 24 hours, while another observed the minute hand lume fading faster than the rest of the dial. Overall, owners rate the CWC (Cabot Watch Company) Automatic Divers Watch Mk.2 Black with Date highly for its solid construction, military significance, and practical features at its price point.

Lum-Tec Solar Marine

Owners widely praise the Lum-Tec Solar Marine for its all-black diver design, excellent lume, and rugged, tank-like build. This 39mm watch is noted as a great smaller option, fitting a 7-inch wrist perfectly and suitable for extensive water activities. One owner cautions that the PVD coating may wear and chip within a year. On balance, owners rate the Lum-Tec Solar Marine highly for its rugged build and excellent lume in a compact dive watch package.