Side by side

Breitling Top Time B01 RacingvsSeiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean 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 Top Time B01 Racing

The Breitling Top Time B01 Racing is lauded for its compact 38mm cushion case, which enhances wearability and evokes 1960s designs, and its dashboard-inspired dials. Owners appreciate the in-house B01 automatic movement and the 100m water resistance. Some reviewers note the case features abundant polishing, with a minority desiring more brushed finishing. The perforated leather straps are designed to match the dial colors. Owners are split on the lug-to-lug length, with recommendations for in-person try-ons due to wrist shape variations. Overall, owners rate the Breitling Top Time B01 Racing highly for its compact, wearable design and the quality of its in-house movement.

Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition

The Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition is praised for its compact 40mm case and the new Caliber 6R55 movement offering a 72-hour power reserve. Owners and reviewers highlight the stunning dials as a strong suit for Seiko. However, the 6R movement's accuracy is a point of disappointment for some, who wish for improvements closer to other movements, though others accept it given the excellent overall package. Press images suggest the bracelet end links may appear disjointed. Overall, owners and reviewers rate the Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition well, with the stunning dials and improved power reserve being the biggest reasons.

At a glance

17 of 29 specs differ
Diameter
Top Time B01 Racing38mm
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition40mm
Power Reserve
Top Time B01 Racing70h
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition72h
Water Resistance
Top Time B01 Racing100m
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition300m
MSRP
Top Time B01 Racing$750
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition$1,400

Full specifications

Case

7 specs
Category
Mechanical
Diver
Diameter
38mm
40mm
Thickness
13.07mm
13mm
Lug-to-Lug
46.4mm
Finish
Stainless steel
Brushed and polished
Water Resistance
100m
300m
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
6R55
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
72h
Jewels
34
24

Pricing

1 specs
MSRP
$750
$1,400
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