Side by side
CWC RN Automatic Divers Watch Mk.2 with DatevsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
RN Automatic Divers Watch Mk.2 with Date41mm
Prospex Sea41mm
Power Reserve
RN Automatic Divers Watch Mk.2 with Date40h
Prospex Sea70h
Water Resistance
RN Automatic Divers Watch Mk.2 with Date300m
Prospex Sea200m
MSRP
RN Automatic Divers Watch Mk.2 with Date$1,249
Prospex Sea$900
Full specifications
Case
3 specsThickness
12mm
12.3mm
Lug-to-Lug
47mm
46.9mm
Water Resistance
300m
200m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
CWC RN Automatic Divers Watch Mk.2 with Date, Stainless Steel (RN300-MT AS120-D)
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Sellita SW200-1
6R35
Power Reserve
40h
70h
Jewels
25
24
Pricing
1 specsMSRP
$1,249
$900
Follow this matchup
Get a note when CWC RN Automatic Divers Watch Mk.2 with Date vs Seiko Prospex Sea gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSeiko Prospex SeaMarathon Jeep Rubicon GSARvsSeiko Prospex SeaMarathon OSAR-D (Original SAR with Date) Automatic 41mmvsSeiko Prospex SeaSeiko Prospex SeavsSpinnaker Tesei Bronze SwissCWC RN Automatic Divers Watch Mk.2 with DatevsDryden PathfinderCWC RN Automatic Divers Watch Mk.2 with DatevsWolbrook Skindiver II Professional