Side by side

Jack Mason Strat-o-timer GMTvsSheffield 1A 38

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

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Strat-o-timer GMT
Jack MasonStrat-o-timer GMT
MSRP $1,149
1A 38
Sheffield1A 38
MSRP $238
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Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
Strat-o-timer GMT42mm
1A 3838mm
Power Reserve
Strat-o-timer GMT40h
1A 38—
Water Resistance
Strat-o-timer GMT200m
1A 38200m
MSRP
Strat-o-timer GMT$1,149
1A 38$238

Full specifications

Case

6 specs
Category
—
Diver
Diameter
42mm
38mm
Thickness
13.2mm
12.8mm
Lug-to-Lug
49mm
46mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

1 specs
Dial Color
—
Blue

Movement

2 specs
Caliber
Miyota 9075
Seiko NH35
Power Reserve
40h
—

Pricing

1 specs
MSRP
$1,149
$238
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