Side by side
CWC (Cabot Watch Company) RN81 Diver Automatic WatchvsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
RN81 Diver Automatic Watch45mm
Prospex Sea43.8mm
Power Reserve
RN81 Diver Automatic Watch40h
Prospex Sea41h
Water Resistance
RN81 Diver Automatic Watch300m
Prospex Sea200m
MSRP
RN81 Diver Automatic Watch$2,858
Prospex Sea$625
Full specifications
Case
6 specsCategory
—
Diver
Diameter
45mm
43.8mm
Thickness
12.7mm
12.8mm
Lug-to-Lug
47mm
48.7mm
Lug Width
20mm
22mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Sellita SW200-1
4R35
Power Reserve
40h
41h
Jewels
25
23
Pricing
1 specsMSRP
—
$625
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