Side by side

Mark Time Watches M 1vsGrand Seiko SBGR321

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

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M 1
Mark Time WatchesM 1
MSRP $345
SBGR321
Grand SeikoSBGR321
MSRP $5,200
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Buy used on eBay ↗
Buy from Grand Seiko ↗
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At a glance

10 of 29 specs differ
Diameter
M 142mm
SBGR32140mm
Power Reserve
M 1—
SBGR32172h
Water Resistance
M 1100m
SBGR321100m
MSRP
M 1$345
SBGR321$5,200

Full specifications

Case

5 specs
Category
—
Dress
Diameter
42mm
40mm
Thickness
12.5mm
13mm
Lug-to-Lug
49.5mm
46.6mm
Lug Width
22mm
20mm

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Dark Blue
Black

Movement

2 specs
Caliber
Miyota 9039
9S65
Power Reserve
—
72h

Pricing

1 specs
MSRP
$345
$5,200
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