Side by side

Citizen Promaster Diver AutomaticvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch 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.

Citizen Promaster Diver Automatic

Owners widely praise the Citizen Promaster Diver Automatic for its lightweight titanium build, comfortable wear, and good specifications at its price point, with one owner highlighting its accuracy and dynamic dial made from recycled materials. Some users find the bezel action spongy and the bracelet subpar, while others note the overall finish is basic due to the brushed titanium. A reviewer also points out a preference for sapphire crystal and ceramic bezel inserts. On balance, owners rate the Citizen Promaster Diver Automatic highly for its value proposition as an affordable, lightweight, and accurate dive watch.

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.

At a glance

11 of 29 specs differ
Diameter
Promaster Diver Automatic44mm
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Power Reserve
Promaster Diver Automatic
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Water Resistance
Promaster Diver Automatic200m
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
MSRP
Promaster Diver Automatic$469
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750

Full specifications

Case

4 specs
Diameter
44mm
42mm
Thickness
0mm
13.3mm
Lug-to-Lug
0mm
48.6mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
8204
6R54
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$469
$1,750
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