Side by side

Grand Seiko STGK031vsVario VARIO x RZE UltraHex Titanium Trench

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

STGK031
Grand SeikoSTGK031
MSRP $6,600
VARIO x RZE UltraHex Titanium Trench
VarioVARIO x RZE UltraHex Titanium Trench
MSRP $499

At a glance

12 of 29 specs differ
Diameter
STGK03130mm
VARIO x RZE UltraHex Titanium Trench37mm
Power Reserve
STGK03150h
VARIO x RZE UltraHex Titanium Trench40h
Water Resistance
STGK031100m
VARIO x RZE UltraHex Titanium Trench100m
MSRP
STGK031$6,600
VARIO x RZE UltraHex Titanium Trench$499

Full specifications

Case

6 specs
Category
Dress
Field
Diameter
30mm
37mm
Thickness
10.5mm
10mm
Lug-to-Lug
36.2mm
45mm
Lug Width
15mm
18mm
Material
Stainless Steel
UltraHex Titanium

Crystal & Dial

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

Movement

2 specs
Caliber
9S27
Miyota 82s5
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.

VARIO x RZE UltraHex Titanium Trench

Owners praise the VARIO x RZE UltraHex Titanium Trench for its price point and the dial's color-shifting effects, with one owner noting it as a great limited edition. A reviewer highlights its lightweight titanium case and sand-textured pink dial. Some with larger wrists may find its 36mm size compact. One owner dislikes the strap and notes the movement can occasionally be loud. Overall, owners and reviewers rate the VARIO x RZE UltraHex Titanium Trench highly for its unique dial and value at the price.

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