Side by side

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionvsTudor Black Bay GMT S&G

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

Black Bay GMT S&G
TudorBlack Bay GMT S&G
MSRP $5,825

At a glance

20 of 29 specs differ
Diameter
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Black Bay GMT S&G41mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Black Bay GMT S&G70h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
Black Bay GMT S&G200m
MSRP
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750
Black Bay GMT S&G$5,825

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
42mm
41mm
Thickness
13.3mm
14.6mm
Lug-to-Lug
48.6mm
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Engraved

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Anti-reflective coating on inner surface
Indices
Applied
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

7 specs
Caliber
6R54
MT5652
Beat Rate
28,800 vph
0 vph
Power Reserve
72h
70h
Jewels
24
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT

Pricing

1 specs
MSRP
$1,750
$5,825

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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 1968 Heritage Diver's GMT Watch Limited Edition

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition is widely praised for its excellent quality and finishing relative to its price point, featuring a beautiful case, bracelet, and strong Lumibrite lume. Enthusiasts and reviewers highlight the comfortable 42mm case size and the distinctive 4 o'clock crown position. The watch is powered by the in-house 6R54 automatic movement, offering a 72-hour power reserve and rated accuracy of -5/+10 seconds per day, though one source notes the GMT function is secondary. Some find the 4:30 date window divisive, and the bezel clicks are described as quieter than expected. On balance, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition highly for its refined design and strong value proposition.

Tudor Black Bay GMT S&G

Owners widely praise the Tudor Black Bay GMT S&G for its muted gold tone and cohesive design, with reviewers noting its value proposition around $5,000-$5,300, powered by an in-house GMT movement. Some owners find the 41mm case and weight make it feel large on the wrist, while reviewers are split on wearability and the execution of the "Root Beer" aesthetic. Concerns are raised about the aluminum bezel insert and initial wear on the gold plating at its price point, though some see the gold-capped bracelet and crown as understandable compromises. Overall, owners and reviewers rate the Tudor Black Bay GMT S&G highly for its unique aesthetic and strong value, with the cohesive design and GMT functionality being key draws.

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