Side by side

Seiko Prospex Sea 1965 Heritage Diver's WatchvsTudor Black Bay 58

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

Black Bay 58
TudorBlack Bay 58
MSRP $5,350

At a glance

16 of 29 specs differ
Diameter
Prospex Sea 1965 Heritage Diver's Watch40mm
Black Bay 5839mm
Power Reserve
Prospex Sea 1965 Heritage Diver's Watch72h
Black Bay 5865h
Water Resistance
Prospex Sea 1965 Heritage Diver's Watch300m
Black Bay 58200m
MSRP
Prospex Sea 1965 Heritage Diver's Watch$1,300
Black Bay 58$5,350

Full specifications

Case

6 specs
Diameter
40mm
39mm
Thickness
13mm
11.7mm
Lug-to-Lug
46.4mm
46mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

6 specs
Caliber
6R55
MT5400-U
Beat Rate
28,800 vph
0 vph
Power Reserve
72h
65h
Jewels
24
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$1,300
$5,350

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Sea 1965 Heritage Diver's Watch

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its refined engineering and updated features, including a 300m water resistance and a 72-hour power reserve from the Caliber 6R55 movement in a 40mm case. Owners note its better build quality and interesting finishing with a mix of polished and brushed surfaces. The "Tranquil Teal" variant features a jewel-toned dial with a rippling-water pattern. However, some owners consider the price too high, and concerns exist regarding the accuracy of the 6R movements, with some reporting theirs run slow. One review notes a reflective dial that impacts legibility. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and improved specifications over previous generations, despite some reservations about movement accuracy and price.

Tudor Black Bay 58

The Tudor Black Bay 58 is widely praised for its superb wearing experience, perfect proportions, and comfortable wearability, with owners anticipating it becoming a Tudor classic. Reviewers highlight its substantial, rugged build quality and significant value, rivaling more expensive timepieces. One owner notes the clasp's sharp shield as a minor annoyance.

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