Side by side

Grand Seiko STGK031vsYema Rallygraf Alpine Cup Series

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

STGK031
Grand SeikoSTGK031
MSRP $6,600
Rallygraf Alpine Cup Series
YemaRallygraf Alpine Cup Series
MSRP $449

At a glance

12 of 29 specs differ
Diameter
STGK03130mm
Rallygraf Alpine Cup Series39mm
Power Reserve
STGK03150h
Rallygraf Alpine Cup Series40h
Water Resistance
STGK031100m
Rallygraf Alpine Cup Series50m
MSRP
STGK031$6,600
Rallygraf Alpine Cup Series$449

Full specifications

Case

7 specs
Category
Dress
Chronograph
Diameter
30mm
39mm
Thickness
10.5mm
10.2mm
Lug-to-Lug
36.2mm
Lug Width
15mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

3 specs
Caliber
9S27
Type
Automatic
Quartz
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$6,600
$449

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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.

Grand Seiko STGK031

Grand Seiko STGK031 owners widely praise its subtle, light pink dial that shifts to appear white or silver depending on lighting, its refined 30mm case size, and its simple elegance. Some find the 30mm sizing perfect for wearability, with one owner noting it is ideal for those who find 38mm watches too large. The Zaratsu polishing is also a noted strength. However, the Calibre 9S27 movement has a 50-hour power reserve and an accuracy range of +8 to -3 seconds per day, which some consider modest for the price. On balance, owners and reviewers rate the Grand Seiko STGK031 highly for its versatile dial and refined 30mm case.

From video reviewers

The 50-hour power reserve of the Calibre 9S27 movement is a shared strength. The 36mm lug-to-lug measurement is a weakness. Reviewers disagreed on the premium feel of the polished stainless steel case and bracelet compared to Zaratsu polishing.

Yema Rallygraf Alpine Cup Series

The Yema Rallygraf Alpine Cup Series is widely praised for its retro-modern aesthetic, crisp white dial, and excellent lume, with owners highlighting its great value at $549 and the clever integration of a perforated design into its five-link bracelet. Reviewers and owners alike note its ideal 39mm case proportions and thin profile, enhancing wearability. However, the use of a K1 mineral crystal instead of sapphire is flagged as a drawback, and some community members find the Seiko VK64 meca-quartz movement overpriced for its features, particularly the 24-hour subdial. On balance, owners and reviewers rate the Yema Rallygraf Alpine Cup Series highly for its strong vintage-inspired design and wearability at its price point.

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