Side by side

Mark Time Watches M 4vsGrand Seiko SBGM245

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

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M 4
Mark Time WatchesM 4
SBGM245
Grand SeikoSBGM245
MSRP $6,100
Buy from Mark Time Watches ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
M 439mm
SBGM24540.5mm
Power Reserve
M 4—
SBGM24572h
Water Resistance
M 4300m
SBGM245200m
MSRP
M 4—
SBGM245$6,100

Full specifications

Case

5 specs
Category
—
GMT
Diameter
39mm
40.5mm
Thickness
12.1mm
14.4mm
Lug-to-Lug
46mm
48.6mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
—
Black

Movement

2 specs
Caliber
Miyota 9039
9S66
Power Reserve
—
72h

Pricing

1 specs
MSRP
—
$6,100
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