Breitling Superocean Automatic 46 Super DivervsSeiko 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.

Superocean Automatic 46 Super Diver

Prospex Marinemaster 1968 Heritage Diver's Watch
Diameter
46mm
42.6mm
Lug-to-Lug
n/a
49.3mm
Thickness
14.5mm
14.1mm
lowest
Water Resistance
1000m
highest
300m
Power Reserve
42h
72h
highest
MSRP
$6,900
$3,600
lowest
Movement
Breitling 10
Seiko 8L45
Case
7 specsCrystal & Dial
3 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Breitling Superocean Automatic 46 Super Diver is widely praised for its comfortable wearability and excellent build quality, with owners appreciating its modern feel and distinctive design, particularly in striking color combinations. The watch features a legible dial with large hands, and a unique bezel lock is noted on the 46mm model. However, the design is considered divisive by some, and the price point draws comment. Accuracy figures vary, with one owner reporting nearly a minute fast daily, while others note their watches keeping time within a few seconds per day. The Breitling Superocean Automatic 46 Super Diver is powered by the Breitling Caliber 10 automatic movement and offers 1000m water resistance. Overall, owners and reviewers rate the Breitling Superocean Automatic 46 Super Diver highly for its robust build and comfortable, legible dive watch design at its price point.
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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