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Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionvsTudor Black Bay Bronze

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

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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 Bronze

The Tudor Black Bay Bronze is widely praised for its unique, evolving aesthetic due to its bronze case that develops a pleasing patina over time, with owners finding this gradual aging process incrementally pleasurable and ideal for summer wear. Reviewers highlight its robust construction, in-house MT5601 movement with a 70-hour power reserve and excellent accuracy, with one source reporting it losing about one second every three days. The 43mm case size is noted as being larger than other Black Bay models, and while some find it surprisingly comfortable and well-proportioned with its Arabic numerals, others consider it too large and bold for daily wear under a suit cuff, with the bronze case deemed less smart than steel. The matte brown dial with an explorer-style layout and gilt snowflake hands are also frequently mentioned features. One owner specifically praised the bezel's feel as the best on the market, though another reviewer found the dial numerals and lume weak.

From video reviewers

The bronze case and its developing patina are highlighted. The woven strap is a positive feature.

At a glance

15 of 29 specs differ
Diameter
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Black Bay Bronze43mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Black Bay Bronze70h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
Black Bay Bronze200m
MSRP
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750
Black Bay Bronze$5,425

Full specifications

Case

8 specs
Diameter
42mm
43mm
Thickness
13.3mm
14.6mm
Lug-to-Lug
48.6mm
0mm
Lug Width
20mm
23mm
Material
Stainless Steel
Bronze
Finish
Satin
Water Resistance
300m
200m
Caseback
Engraved

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Grey
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
Seiko 6R54
Tudor MT5601
Power Reserve
72h
70h
Jewels
24
0

Pricing

1 specs
MSRP
$1,750
$5,425
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