Side by side

Mark Time Watches M 5vsGrand Seiko SBGW306

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
SBGW306
Grand SeikoSBGW306
MSRP $17,900
Buy from Mark Time Watches ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
M 536mm
SBGW30636.5mm
Power Reserve
M 5—
SBGW30672h
Water Resistance
M 5100m
SBGW306100m
MSRP
M 5—
SBGW306$17,900

Full specifications

Case

6 specs
Category
—
Dress
Diameter
36mm
36.5mm
Thickness
10.2mm
11.7mm
Lug-to-Lug
42.5mm
42.7mm
Lug Width
20mm
18mm
Material
Stainless Steel
Gold

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
—
Black

Movement

3 specs
Caliber
Miyota 9039
9S64
Type
Automatic
Manual
Power Reserve
—
72h

Pricing

1 specs
MSRP
—
$17,900
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