Side by side
Jack Mason Ellum Manual WindvsSeestern S446 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Ellum Manual Wind38mm
S446 GMT39.5mm
Power Reserve
Ellum Manual Wind42h
S446 GMT41hh
Water Resistance
Ellum Manual Wind50m
S446 GMT100m
MSRP
Ellum Manual Wind$799
S446 GMT$299
Full specifications
Case
6 specsCategory
—
GMT
Diameter
38mm
39.5mm
Thickness
9mm
13mm
Lug-to-Lug
45mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
2 specsCrystal Shape
Flat
Domed
Dial Color
—
Cream
Movement
6 specsCaliber
Sellita SW210
Seiko NH34A GMT
Type
Manual
Automatic
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
41hh
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$799
$299
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