Side by side

Grand Seiko STGK031vsLongines HYDROCONQUEST MESH

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

STGK031
Grand SeikoSTGK031
MSRP $6,600
HYDROCONQUEST MESH
LonginesHYDROCONQUEST MESH
MSRP $2,350

At a glance

10 of 29 specs differ
Diameter
STGK03130mm
HYDROCONQUEST MESH41mm
Power Reserve
STGK03150h
HYDROCONQUEST MESH72h
Water Resistance
STGK031100m
HYDROCONQUEST MESH300m
MSRP
STGK031$6,600
HYDROCONQUEST MESH$2,350

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
30mm
41mm
Thickness
10.5mm
11.9mm
Lug-to-Lug
36.2mm
51.1mm
Lug Width
15mm
21mm
Water Resistance
100m
300m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

2 specs
Caliber
9S27
L888.5
Power Reserve
50h
72h

Pricing

1 specs
MSRP
$6,600
$2,350

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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.

Longines HYDROCONQUEST MESH

Owners widely praise the Longines HYDROCONQUEST MESH for its eye-catching dial colors and impressive fit and finish at its price point, with some noting a well-regulated movement losing around 2 seconds per day and others seeing accuracy within COSC specifications. The tapered mesh bracelet is described as a clever execution with emphasized adjustability, offering a neat feature for wrist swelling. However, some owners criticize the bracelet's clasp for lacking on-the-fly micro-adjustments and the potential for pinching, while winding the screw-down crown is considered inconvenient by some. The lume is a point of contention, with one owner finding it disappointing and fading quickly, while another reports it as strong and long-lasting. Overall, owners rate the Longines HYDROCONQUEST MESH highly for its competitive pricing and versatile, modern retro aesthetic.

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