Side by side
Jack Mason Ellum Manual WindvsGrand Seiko SBGR321
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Ellum Manual Wind38mm
SBGR32140mm
Power Reserve
Ellum Manual Wind42h
SBGR32172h
Water Resistance
Ellum Manual Wind50m
SBGR321100m
MSRP
Ellum Manual Wind$799
SBGR321$5,200
Full specifications
Case
5 specsCategory
—
Dress
Diameter
38mm
40mm
Thickness
9mm
13mm
Lug-to-Lug
45mm
46.6mm
Water Resistance
50m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
—
Black
Movement
3 specsCaliber
Sellita SW210
9S65
Type
Manual
Automatic
Power Reserve
42h
72h
Pricing
1 specsMSRP
$799
$5,200
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