Side by side

Jack Mason Strat-o-timer GMTvsSynchron SEALAB Ti300M

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
SEALAB Ti300M
SynchronSEALAB Ti300M
Buy from Jack Mason ↗
Buy used on eBay ↗
Buy from Synchron ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
SEALAB Ti300M41mm
Power Reserve
Strat-o-timer GMT42h
SEALAB Ti300M60h
Water Resistance
Strat-o-timer GMT200m
SEALAB Ti300M300m
MSRP
Strat-o-timer GMT$1,099
SEALAB Ti300M—

Full specifications

Case

6 specs
Diameter
40mm
41mm
Thickness
13.2mm
11.9mm
Lug-to-Lug
47mm
45mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
200m
300m

Movement

2 specs
Caliber
Miyota 9075
La Joux-Perret G100
Power Reserve
42h
60h

Pricing

1 specs
MSRP
$1,099
—
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