CWC RN81 Clearance Diver AutomaticvsSeiko Prospex Marinemaster 1968 Heritage Diver's Watch

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

CWC RN81 Clearance Diver Automatic at true scale

RN81 Clearance Diver Automatic

Seiko Prospex Marinemaster 1968 Heritage Diver's Watch at true scale

Prospex Marinemaster 1968 Heritage Diver's Watch

Diameter

41mm

42.6mm

Lug-to-Lug

47mm

lowest

49.3mm

Thickness

12.7mm

lowest

14.1mm

Water Resistance

300m

300m

Power Reserve

n/a

72h

MSRP

$1,875

lowest

$3,600

Movement

Sellita SW200-1

Seiko 8L45

Case

3 specs
Diameter
41mm
42.6mm
Thickness
12.7mm
14.1mm
Lug-to-Lug
47mm
49.3mm

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
CWC RN81 Clearance Diver Automatic Watch
n/a
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 8L45
Power Reserve
0h
72h
Jewels
0
35

Pricing

1 specs
MSRP
$1,875
$3,600
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

CWC RN81 Clearance Diver Automatic

Owners widely praise the CWC RN81 Clearance Diver Automatic Watch for its build quality and comfortable wear, with some appreciating the fixed springbars and historical significance as a tool watch. However, reviewers and owners note the "faux patina" lume color is considered too gold and glossy, and some find the polished case and dial text/logo less appealing. The CWC RN81 Clearance Diver Automatic Watch is also seen as overpriced by some, with concerns raised about the acrylic bezel's durability and import taxes for US buyers. On balance, owners and reviewers value the CWC RN81 Clearance Diver Automatic Watch for its faithful reissue design and historical connection, though price and specific aesthetic choices are points of contention.

Seiko Prospex Marinemaster 1968 Heritage Diver's Watch

Owners and reviewers widely praise the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch for its exceptional finishing, comparable to Grand Seiko, and refined design, with particular appreciation for its case shape and the 4:00 crown position. The watch is noted for its enjoyable look and feel, and some consider it a significant step up from standard Prospex models, offering premium finishing and a tool-like appearance. The movement Seiko 8L45 is mentioned, along with a 72-hour power reserve and an accuracy of -5/+10 seconds per day. However, some find the price point high, and one reviewer noted the unsigned winding crown as a missed opportunity for a watch in this price range. On balance, owners and reviewers rate the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch highly for its exceptional finishing and refined design at its price point.

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