Side by side

Grand Seiko SBGA385vsSpinnaker Dumas GMT

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

SBGA385
Grand SeikoSBGA385
MSRP $53,000
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

13 of 29 specs differ
Diameter
SBGA38540mm
Dumas GMT44mm
Power Reserve
SBGA38572h
Dumas GMT40h
Water Resistance
SBGA385100m
Dumas GMT300m
MSRP
SBGA385$53,000
Dumas GMT$399

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
40mm
44mm
Thickness
12.5mm
15mm
Lug-to-Lug
46.2mm
48mm
Lug Width
19mm
22mm
Material
Platinum
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Blue

Movement

3 specs
Caliber
9R15
Seiko NH34A
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$53,000
$399

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