Side by side

Breitling Superocean Heritage B20 AutomaticvsSeiko Prospex Sea

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 $22,650
Prospex Sea
SeikoProspex Sea
MSRP $900
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 widely praise the Breitling Superocean Heritage B20 Automatic for its gorgeous aesthetics, with many singling out the popping blue dial and the overall quality from movement to finish. The 42mm case is considered a favorite for its wearability and fit on many wrists, and its versatility for dressing up or down is frequently highlighted. The clasp on Breitling's rubber straps is a noted favorite. Some owners report a "crunchy" bezel rotation, deeming it disappointing for the price, and a few find the watch too heavy or chunky, wishing for a smaller option, though others appreciate its substantial presence. Overall, owners rate the Breitling Superocean Heritage B20 Automatic highly for its appealing design and comfortable wearability on a variety of straps.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

At a glance

15 of 29 specs differ
Diameter
Superocean Heritage B20 Automatic42mm
Prospex Sea41mm
Power Reserve
Superocean Heritage B20 Automatic70h
Prospex Sea70h
Water Resistance
Superocean Heritage B20 Automatic200m
Prospex Sea200m
MSRP
Superocean Heritage B20 Automatic$22,650
Prospex Sea$900

Full specifications

Case

6 specs
Diameter
42mm
41mm
Thickness
14.35mm
12.3mm
Lug-to-Lug
46.9mm
Material
18kt Pink 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
$22,650
$900
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