Side by side

Grand Seiko STGK031vsZelos Blacktip 200m GMT

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

STGK031
Grand SeikoSTGK031
MSRP $6,600
Blacktip 200m GMT
ZelosBlacktip 200m GMT
MSRP $499

At a glance

13 of 29 specs differ
Diameter
STGK03130mm
Blacktip 200m GMT41mm
Power Reserve
STGK03150h
Blacktip 200m GMT40h
Water Resistance
STGK031100m
Blacktip 200m GMT200m
MSRP
STGK031$6,600
Blacktip 200m GMT$499

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
30mm
41mm
Thickness
10.5mm
13mm
Lug-to-Lug
36.2mm
41mm
Lug Width
15mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
MOP

Movement

2 specs
Caliber
9S27
Seiko NH34 GMT
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$6,600
$499

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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.

Zelos Blacktip 200m GMT

Owners widely praise the Zelos Blacktip 200m GMT's solid bracelet construction and excellent bezel action. The watch has sold out quickly, indicating strong demand. Overall, owners rate the Zelos Blacktip 200m GMT highly for its robust build and desirable availability.

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