Side by side

Glycine Combat Sub VintagevsSeiko 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.

Glycine Combat Sub Vintage

Owners widely praise the Glycine Combat Sub Vintage for its excellent proportions and slim profile. One owner notes the lume pip on the chapter ring is slightly off-color. The power reserve is reported as inconsistent. Overall, owners rate the Glycine Combat Sub Vintage highly for its value and slim wearability.

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

16 of 29 specs differ
Diameter
Combat Sub Vintage42mm
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Power Reserve
Combat Sub Vintage38h
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Water Resistance
Combat Sub Vintage200m
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
MSRP
Combat Sub Vintage$1,750
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750

Full specifications

Case

6 specs
Thickness
12.5mm
13.3mm
Lug-to-Lug
48.6mm
Lug Width
22mm
20mm
Finish
Water Resistance
200m
300m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Lume
Luminous
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Sellita SW200-1
6R54
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
72h
Jewels
25
24
Complications
Date
None
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