Which is cheaper, the CWC RN81 Clearance Diver Automatic Watch or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

At MSRP the CWC RN81 Clearance Diver Automatic Watch is the cheaper of the two at $1,875, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $1,425 gap before any retailer discounting.

Which is bigger, the CWC RN81 Clearance Diver Automatic Watch or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition wears larger at 44mm versus 41mm for the CWC RN81 Clearance Diver Automatic Watch — a 3mm difference across the dial.

Which has better water resistance, the CWC RN81 Clearance Diver Automatic Watch or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The CWC RN81 Clearance Diver Automatic Watch is rated to 300m versus 200m for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition.

Which has a longer power reserve, the CWC RN81 Clearance Diver Automatic Watch or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition 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 Sea 1970 Heritage Diver's Black Series Limited Edition?

Both watches run automatic movements — the CWC RN81 Clearance Diver Automatic Watch uses the Sellita SW200-1 and the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition uses the 8L35.

Side by side

CWC RN81 Clearance Diver Automatic WatchvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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 Sea 1970 Heritage Diver's Black Series Limited Edition

sla061j1

MSRP $3,300

At a glance

12 of 29 specs differ

Diameter

RN81 Clearance Diver Automatic Watch41mm

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Power Reserve

RN81 Clearance Diver Automatic Watch40h

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Water Resistance

RN81 Clearance Diver Automatic Watch300m

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

MSRP

RN81 Clearance Diver Automatic Watch$1,875

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

4 specs

Diameter

41mm

44mm

Thickness

12mm

13mm

Lug-to-Lug

47mm

49.3mm

Water Resistance

300m

200m

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

$3,300

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