Side by side

Jack Mason Strat-o-timer GMTvsTudor Black Bay GMT

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

Add a watch
Strat-o-timer GMT
Jack MasonStrat-o-timer GMT
MSRP $1,099
Black Bay GMT
TudorBlack Bay GMT
MSRP $5,275
Buy from Jack Mason ↗
Buy used on eBay ↗
Buy from Tudor ↗
Buy used on eBay ↗

At a glance

19 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
Black Bay GMT41mm
Power Reserve
Strat-o-timer GMT42h
Black Bay GMT70h
Water Resistance
Strat-o-timer GMT200m
Black Bay GMT200m
MSRP
Strat-o-timer GMT$1,099
Black Bay GMT$5,275

Full specifications

Case

7 specs
Category
—
GMT
Diameter
40mm
41mm
Thickness
13.2mm
14.6mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down

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
42h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT

Pricing

1 specs
MSRP
$1,099
$5,275
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