Side by side

Breitling Superocean Heritage B31 AutomaticvsSeiko Prospex Sea 1965 Heritage Diver's Watch

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

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What people say

Owners + reviewers, side by side

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

Breitling Superocean Heritage B31 Automatic

Owners widely praise the Breitling Superocean Heritage B31 Automatic's revived, characterful design with '50s charm and its comfortable wearability, with some noting the lugs hugging the wrist and a massaging mesh bracelet. The new Breitling B31 movement offers a 78-hour power reserve and COSC certification, and the 42mm case size is preferred by some over larger variants. Reviewers and owners note the pared-back dive bezel may impact legibility, and opinions are divided on the white date wheel at 6 o'clock. Some find Breitling watches, including this model, too large or chunky for smaller wrists, and criticism is directed at the Sellita SW200 movement at its price point by some owners. Overall, owners rate the Breitling Superocean Heritage B31 Automatic highly for its comfortable wearability and revived, characterful design.

Seiko Prospex Sea 1965 Heritage Diver's Watch

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its refined engineering and updated features, including a 300m water resistance and a 72-hour power reserve from the Caliber 6R55 movement in a 40mm case. Owners note its better build quality and interesting finishing with a mix of polished and brushed surfaces. The "Tranquil Teal" variant features a jewel-toned dial with a rippling-water pattern. However, some owners consider the price too high, and concerns exist regarding the accuracy of the 6R movements, with some reporting theirs run slow. One review notes a reflective dial that impacts legibility. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and improved specifications over previous generations, despite some reservations about movement accuracy and price.

At a glance

15 of 29 specs differ
Diameter
Superocean Heritage B31 Automatic42mm
Prospex Sea 1965 Heritage Diver's Watch40mm
Power Reserve
Superocean Heritage B31 Automatic78h
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
Superocean Heritage B31 Automatic200m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
Superocean Heritage B31 Automatic$6,500
Prospex Sea 1965 Heritage Diver's Watch$1,300

Full specifications

Case

6 specs
Diameter
42mm
40mm
Thickness
12.03mm
13mm
Lug-to-Lug
46.4mm
Lug Width
0mm
20mm
Finish
Stainless steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Breitling B31
Seiko 6R55
Power Reserve
78h
72h
Jewels
0
24
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$6,500
$1,300
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