Side by side

Grand Seiko STGK031vsVario 1945 A-11S Solar Quartz

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

STGK031
Grand SeikoSTGK031
MSRP $6,600
1945 A-11S Solar Quartz
Vario1945 A-11S Solar Quartz
MSRP $218

At a glance

12 of 29 specs differ
Diameter
STGK03130mm
1945 A-11S Solar Quartz40mm
Power Reserve
STGK03150h
1945 A-11S Solar Quartz40h
Water Resistance
STGK031100m
1945 A-11S Solar Quartz50m
MSRP
STGK031$6,600
1945 A-11S Solar Quartz$218

Full specifications

Case

7 specs
Category
Dress
Field
Diameter
30mm
40mm
Thickness
10.5mm
9mm
Lug-to-Lug
36.2mm
41mm
Lug Width
15mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

3 specs
Caliber
9S27
Miyota 2070/2170
Type
Automatic
Quartz
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$6,600
$218

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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.

Vario 1945 A-11S Solar Quartz

Owners widely praise the Vario 1945 A-11S Solar Quartz for its superb case finishing, legibility, and premium look, with its 40mm size proving comfortable for many wrists. Reviewers highlight its incredible value at $198, featuring a Miyota solar quartz movement and polished chamfers adding unexpected style. Some owners note the lume is poor and the 50-meter water resistance is limited, while others desire a big date complication not supported by the solar movement. On balance, owners and reviewers rate the Vario 1945 A-11S Solar Quartz highly for its excellent finishing and value proposition.

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