Side by side
Jack Mason Ellum Manual WindvsStraton Straton Syncro MKII Mechanical Chrono
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Ellum Manual Wind38mm
Straton Syncro MKII Mechanical Chrono40mm
Power Reserve
Ellum Manual Wind42h
Straton Syncro MKII Mechanical Chrono—
Water Resistance
Ellum Manual Wind50m
Straton Syncro MKII Mechanical Chrono100m
MSRP
Ellum Manual Wind$799
Straton Syncro MKII Mechanical Chrono$599
Full specifications
Case
8 specsCategory
—
Chronograph
Diameter
38mm
40mm
Thickness
9mm
12.4mm
Lug-to-Lug
45mm
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
—
Water Resistance
50m
100m
Caseback
Solid
Sapphire crystal
Crystal & Dial
4 specsCrystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
—
—
Indices
Applied
—
Movement
4 specsCaliber
Sellita SW210
Seagull ST19
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
0h
Jewels
25
0
Pricing
1 specsMSRP
$799
$599
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