Side by side

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionvsYema Rallygraf Alpine Cup Series Limited Edition

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

Rallygraf Alpine Cup Series Limited Edition
YemaRallygraf Alpine Cup Series Limited Edition
MSRP $2,390

At a glance

14 of 29 specs differ
Diameter
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Rallygraf Alpine Cup Series Limited Edition41mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Rallygraf Alpine Cup Series Limited Edition40h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
Rallygraf Alpine Cup Series Limited Edition50m
MSRP
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750
Rallygraf Alpine Cup Series Limited Edition$2,390

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
42mm
41mm
Thickness
13.3mm
12.5mm
Lug-to-Lug
48.6mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Limited Edition
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
6R54
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,750
$2,390

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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.

Yema Rallygraf Alpine Cup Series Limited Edition

The Yema Rallygraf Alpine Cup Series Limited Edition is praised for its 39mm proportions, thin profile, and retro-modern vibe, with reviewers noting decent finishing for its price point. Owners highlight the sweeping chronograph hands and good lume, though the 24-hour subdial is considered by some to be useless. The use of a K1 mineral crystal instead of sapphire is flagged as a drawback by multiple sources, and one owner finds the diver-style clasp slightly out of place. Accuracy figures and winding feel are not discussed. Overall, owners and reviewers appreciate the Yema Rallygraf Alpine Cup Series Limited Edition for its stylish retro design and wearable dimensions at its $549 price.

From video reviewers

The in-house microrotor movement is a shared strength. Reviewers questioned the value proposition compared to alternatives.

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