Side by side

Grand Seiko SBGA427vsLongines HYDROCONQUEST MESH

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

SBGA427
Grand SeikoSBGA427
MSRP $5,800
HYDROCONQUEST MESH
LonginesHYDROCONQUEST MESH
MSRP $2,350

At a glance

10 of 29 specs differ
Diameter
SBGA42739mm
HYDROCONQUEST MESH41mm
Power Reserve
SBGA42772h
HYDROCONQUEST MESH72h
Water Resistance
SBGA427100m
HYDROCONQUEST MESH300m
MSRP
SBGA427$5,800
HYDROCONQUEST MESH$2,350

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
39mm
41mm
Thickness
12.3mm
11.9mm
Lug-to-Lug
46.8mm
51.1mm
Lug Width
19mm
21mm
Water Resistance
100m
300m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

2 specs
Caliber
9R65
L888.5
Type
Spring Drive
Automatic

Pricing

1 specs
MSRP
$5,800
$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 SBGA427

Grand Seiko SBGA427 owners widely praise its extensive Zaratsu polishing and the "hall of mirrors" effect created by its diamond-cut indexes, complemented by a subtle, reeded dial and a striking green seconds hand. The 39mm case is noted for its comfortable, tapered bracelet, and the 9R65 Spring Drive movement is visible through the caseback. Some owners report the highly polished Zaratsu finish is prone to scuffs and scratches, with one mentioning a scratch near 1 o'clock. The Grand Seiko SBGA427 sold for $3750. Overall, owners rate the Grand Seiko SBGA427 highly for its exceptional finishing and the unique visual appeal of its dial and indexes.

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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