Which is cheaper, the CWC RN81 Clearance Diver Automatic Watch or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

At MSRP the CWC RN81 Clearance Diver Automatic Watch is the cheaper of the two at $1,875, against $2,900 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch — a $1,025 gap before any retailer discounting.

Which is bigger, the CWC RN81 Clearance Diver Automatic Watch or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch wears larger at 42.6mm versus 41mm for the CWC RN81 Clearance Diver Automatic Watch — a 1.6mm difference across the dial.

Which has a longer power reserve, the CWC RN81 Clearance Diver Automatic Watch or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch carries a 50-hour power reserve against 40 hours on the CWC RN81 Clearance Diver Automatic Watch.

What movement does the CWC RN81 Clearance Diver Automatic Watch run compared to the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

Both watches run automatic movements — the CWC RN81 Clearance Diver Automatic Watch uses the Sellita SW200-1 and the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch uses the 8L35.

Side by side

CWC RN81 Clearance Diver Automatic WatchvsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

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

CWC RN81 Clearance Diver Automatic Watch

cwc-rn81-clearance-diver-watch

MSRP $1,875

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

sla077j1

MSRP $2,900

At a glance

11 of 29 specs differ

Diameter

RN81 Clearance Diver Automatic Watch41mm

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm

Power Reserve

RN81 Clearance Diver Automatic Watch40h

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h

Water Resistance

RN81 Clearance Diver Automatic Watch300m

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m

MSRP

RN81 Clearance Diver Automatic Watch$1,875

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900

Full specifications

Case

3 specs

Diameter

41mm

42.6mm

Thickness

12mm

13.4mm

Lug-to-Lug

47mm

49.3mm

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

CWC RN81 Clearance Diver Automatic Watch

Black

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200-1

8L35

Power Reserve

40h

50h

Jewels

Pricing

1 specs

MSRP

$1,875

$2,900

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