Side by side

Grand Seiko SBGA384vsLongines HYDROCONQUEST GMT

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

SBGA384
Grand SeikoSBGA384
MSRP $29,500
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

13 of 29 specs differ
Diameter
SBGA38440mm
HYDROCONQUEST GMT41mm
Power Reserve
SBGA38472h
HYDROCONQUEST GMT40h
Water Resistance
SBGA384100m
HYDROCONQUEST GMT300m
MSRP
SBGA384$29,500
HYDROCONQUEST GMT$3,350

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
40mm
41mm
Thickness
12.5mm
12.9mm
Lug-to-Lug
46.2mm
49.4mm
Lug Width
19mm
21mm
Material
Gold
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Green

Movement

3 specs
Caliber
9R15
L844.5
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$29,500
$3,350

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