CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date
$3,174Discontinued
Case
- Diameter
- 40mm
- Thickness
- 14.5mm
- Lug width
- 20mm
- Material
- Stainless Steel
- Water resistance
- 300m
Crystal & dial
- Crystal
- Mineral
Movement
- Caliber
- ETA 2824-2
- Type
- Automatic
ETA
The dominant mid-tier Swiss automatic workhorse, in production since 1982 and used by hundreds of brands. It runs at 28,800 vph with roughly 38–42 hours of power reserve, hacks, and hand-winds; the Sellita SW200-1 is its pin-compatible alternative.
Design language
- Case shape
- round
- Dial style
- matte
- Bezel
- rotating
- Bracelet
- lug-attached
- Hands
- baton
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Retail$3,174
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Owners widely praise the CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date for its robust build, military heritage, and iconic design elements like the big triangle and sword hands, with many finding its case finishing excellent and its bezel action satisfyingly chunky and precise. The watch is noted for its good lume and legibility, and some owners appreciate its polished steel finish and vintage vibe. Accuracy figures vary, with one owner reporting +1 second per day and another seeing 3 seconds fast over 24 hours. A point of contention for some is the fixed lug bars, which limit strap options, and a few reviewers feel the price has increased significantly, making it harder to justify compared to other brands. Overall, owners and reviewers rate the CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date highly for its sturdy, utilitarian design and military significance.
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