Side by side

Seiko Prospex SeavsTudor Black Bay 58

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

Prospex Sea
SeikoProspex Sea
MSRP $900
Black Bay 58
TudorBlack Bay 58
MSRP $5,350

At a glance

15 of 29 specs differ
Diameter
Prospex Sea41mm
Black Bay 5839mm
Power Reserve
Prospex Sea70h
Black Bay 5865h
Water Resistance
Prospex Sea200m
Black Bay 58200m
MSRP
Prospex Sea$900
Black Bay 58$5,350

Full specifications

Case

5 specs
Diameter
41mm
39mm
Thickness
12.3mm
11.7mm
Lug-to-Lug
46.9mm
46mm
Finish
Brushed and polished
Polished + Satin
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
6R35
MT5400-U
Beat Rate
28,800 vph
0 vph
Power Reserve
70h
65h
Jewels
24
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$900
$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

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.

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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