Side by side
CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With DatevsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
RN300 Automatic Diver Mk.1 Tritium Watch With Date40mm
Prospex Sea41.3mm
Power Reserve
RN300 Automatic Diver Mk.1 Tritium Watch With Date40h
Prospex Sea72h
Water Resistance
RN300 Automatic Diver Mk.1 Tritium Watch With Date300m
Prospex Sea300m
MSRP
RN300 Automatic Diver Mk.1 Tritium Watch With Date$3,174
Prospex Sea$1,100
Full specifications
Case
4 specsCategory
—
Diver
Diameter
40mm
41.3mm
Thickness
14.5mm
12.5mm
Lug-to-Lug
46mm
48.2mm
Crystal & Dial
4 specsCrystal
Mineral
Sapphire
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
ETA 2824
6R55
Power Reserve
40h
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$1,100
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