Side by side

Jack Mason Strat-o-timer GMTvsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

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 $1,099
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
SeikoProspex Marinemaster Marinemaster 1968 Heritage Diver's Watch
MSRP $2,900
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At a glance

13 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Power Reserve
Strat-o-timer GMT42h
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h
Water Resistance
Strat-o-timer GMT200m
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
MSRP
Strat-o-timer GMT$1,099
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900

Full specifications

Case

5 specs
Category
—
Diver
Diameter
40mm
42.6mm
Thickness
13.2mm
13.4mm
Lug-to-Lug
47mm
49.3mm
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9075
8L35
Power Reserve
42h
50h
Jewels
25
26

Pricing

1 specs
MSRP
$1,099
$2,900
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