Side by side

Breitling Super Chronomat B01 44vsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited 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 Super Chronomat B01 44

Owners widely praise the Breitling Super Chronomat B01 44's versatility, with one owner finding it their most worn watch due to its ability to transition between casual and dressy settings by changing straps. The rubber strap is described as very comfortable and cool, while the watch itself is noted as being comfortable and suitable for diving, though its minute hands can be less visible in low light. One owner appreciated the weight, open caseback, eye-catching dial, polished bezel, and the B01 movement, finding the rotating bezel useful for time tracking. However, one owner reported significant accuracy issues and a power reserve below advertised specifications, requiring multiple service trips. On balance, owners appreciate the Breitling Super Chronomat B01 44 for its comfort and versatility, though accuracy concerns have been raised by one owner.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

At a glance

15 of 29 specs differ
Diameter
Super Chronomat B01 4444mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Super Chronomat B01 4470h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Super Chronomat B01 44200m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Super Chronomat B01 44$12,800
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

5 specs
Thickness
14.45mm
13mm
Lug-to-Lug
49.3mm
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

4 specs
Caliber
Breitling B01
8L35
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
50h
Jewels
0
26

Pricing

1 specs
MSRP
$12,800
$3,300
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