Side by side

Mark Time Watches M 5vsGrand Seiko SBGR321

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

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M 5
Mark Time WatchesM 5
SBGR321
Grand SeikoSBGR321
MSRP $5,200
Buy from Mark Time Watches ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
M 536mm
SBGR32140mm
Power Reserve
M 5—
SBGR32172h
Water Resistance
M 5100m
SBGR321100m
MSRP
M 5—
SBGR321$5,200

Full specifications

Case

4 specs
Category
—
Dress
Diameter
36mm
40mm
Thickness
10.2mm
13mm
Lug-to-Lug
42.5mm
46.6mm

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
—
Black

Movement

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

Pricing

1 specs
MSRP
—
$5,200
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