Side by side

Breitling Superocean Heritage B20 AutomaticvsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

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

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 widely praise the Breitling Superocean Heritage B20 Automatic for its attractive, well-executed polished steel case and ceramic bezel, with the 42mm size offering good legibility and comfort for many, though some find it pushes the limits of smaller wrists. The blue dial, polished indices, and steel mesh bracelet are frequently highlighted for their balanced aesthetic, and dial printing, date wheel, and hand alignment are noted as clean. One owner reported timegrapher numbers of +2s/d. The lume is considered good but less prominent than on other sports watches. Some owners have noted potential issues with bezel alignment, a gap between the bracelet and case, and a "crunchy" bezel rotation feel at this price point. Overall, owners and reviewers rate the Breitling Superocean Heritage B20 Automatic highly for its stylish design and comfortable wearability, despite some reservations about lume and bezel action.

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition is praised for its beautiful design and refinement over previous models, featuring vertically textured glacier-inspired dials. Owners, however, consider the €1500 RRP too high, suggesting a price closer to €900-€1000, noting the aluminum bezel insert instead of ceramic. Some owners report the 6R movement runs slow. On balance, owners find the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition beautiful and a refinement, but the price and aluminum bezel are points of contention.

At a glance

13 of 29 specs differ
Diameter
Superocean Heritage B20 Automatic42mm
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm
Power Reserve
Superocean Heritage B20 Automatic70h
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h
Water Resistance
Superocean Heritage B20 Automatic200m
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m
MSRP
Superocean Heritage B20 Automatic$5,800
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350

Full specifications

Case

5 specs
Diameter
42mm
42.7mm
Thickness
14.35mm
13.2mm
Lug-to-Lug
46.4mm
Lug Width
0mm
20mm
Finish
Stainless steel

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

4 specs
Caliber
Breitling B20 (Manufacture)
Seiko 6R35
Jewels
0
24
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$5,800
$1,350
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