Side by side

CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With DatevsGrand Seiko SLGA015

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

RN300 Automatic Diver Mk.1 Tritium Watch With Date
CWC (Cabot Watch Company)RN300 Automatic Diver Mk.1 Tritium Watch With Date
MSRP $3,174
SLGA015
Grand SeikoSLGA015
MSRP $12,600

At a glance

14 of 29 specs differ
Diameter
RN300 Automatic Diver Mk.1 Tritium Watch With Date40mm
SLGA01543.8mm
Power Reserve
RN300 Automatic Diver Mk.1 Tritium Watch With Date40h
SLGA015120h
Water Resistance
RN300 Automatic Diver Mk.1 Tritium Watch With Date300m
SLGA015200m
MSRP
RN300 Automatic Diver Mk.1 Tritium Watch With Date$3,174
SLGA015$12,600

Full specifications

Case

7 specs
Category
Diver
Diameter
40mm
43.8mm
Thickness
14.5mm
13.8mm
Lug-to-Lug
46mm
51.5mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
Inner
Yes
Dial Color
Black

Movement

3 specs
Caliber
ETA 2824
9RA5
Type
Automatic
Spring Drive
Power Reserve
40h
120h

Pricing

1 specs
MSRP
$12,600
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