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Breitling Superocean Heritage B20 AutomaticvsSeiko 62MAS

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

Superocean Heritage B20 Automatic
BreitlingSuperocean Heritage B20 Automatic
MSRP $7,250
62MAS
Seiko62MAS
MSRP $1,200
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 B20 Automatic

Owners and reviewers praise the Breitling Superocean Heritage B20 Automatic's refined dial, excellent anti-reflective sapphire crystal, and well-executed polished steel case and ceramic bezel; the 42mm size wears thin and compact, making it comfortable for everyday wear, and Breitling's in-house B20 movement sets it apart among luxury brands at this price point. Lume is flagged as weak for a serious dive watch, and some owners report quality-control inconsistencies—one noted misalignment between the 12 marker and bezel, another between the date window and bezel's 6 o'clock marker, and the 'Chronometre' text positioning questioned on some examples; accuracy ranges from +2 to +3 seconds per day. Strap fit varies with wrist shape; the rubber strap's fitted ends can angle too sharply on flatter wrists, while leather alternatives shift the watch's aesthetic away from its blue-heavy character. On balance, owners and reviewers rate the Breitling Superocean Heritage B

Seiko 62MAS

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its vintage-inspired finishing, crisp bezel action, and build quality. Owners widely report the movement averages within +/- 10 seconds per day, though some note accuracy issues. The 40mm case size is considered by some to wear larger than expected, and the price point is a subject of debate, with some finding it too high and others fair. The watch features a 72-hour power reserve from the Caliber 6R55 movement, a 300-meter depth rating, and a box-shaped sapphire crystal. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and solid build quality, despite some reservations about its price and perceived size.

At a glance

15 of 29 specs differ
Diameter
Superocean Heritage B20 Automatic42mm
62MAS40.5mm
Power Reserve
Superocean Heritage B20 Automatic70h
62MAS70h
Water Resistance
Superocean Heritage B20 Automatic200m
62MAS200m
MSRP
Superocean Heritage B20 Automatic$7,250
62MAS$1,200

Full specifications

Case

6 specs
Diameter
42mm
40.5mm
Thickness
14.35mm
13.2mm
Lug-to-Lug
47.6mm
Material
Stainless Steel & 18k Red Gold
Stainless Steel
Finish
Stainless steel
Brushed and polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Applied
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Breitling B20 (Manufacture)
6R35
Beat Rate
0 vph
28,800 vph
Jewels
0
24

Pricing

1 specs
MSRP
$7,250
$1,200
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