Side by side

Jack Mason Strat-o-timer GMTvsTudor Black Bay GMT S&G

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
Black Bay GMT S&G
TudorBlack Bay GMT S&G
MSRP $5,825
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Buy from Tudor ↗
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At a glance

19 of 29 specs differ
Diameter
Strat-o-timer GMT42mm
Black Bay GMT S&G41mm
Power Reserve
Strat-o-timer GMT40h
Black Bay GMT S&G70h
Water Resistance
Strat-o-timer GMT200m
Black Bay GMT S&G200m
MSRP
Strat-o-timer GMT$1,149
Black Bay GMT S&G$5,825

Full specifications

Case

7 specs
Category
—
GMT
Diameter
42mm
41mm
Thickness
13.2mm
14.6mm
Lug-to-Lug
49mm
46mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Engraved

Crystal & Dial

4 specs
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
—
Black
Indices
Applied
—

Movement

7 specs
Caliber
Miyota 9075
MT5652
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT

Pricing

1 specs
MSRP
$1,149
$5,825
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