Side by side

Serica Ref. 8315 Travel ChronometervsJack Mason Strat-o-timer GMT

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

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Ref. 8315 Travel Chronometer
SericaRef. 8315 Travel Chronometer
MSRP $2,479
Strat-o-timer GMT
Jack MasonStrat-o-timer GMT
MSRP $1,099
Buy from Serica ↗
Buy used on eBay ↗
Buy from Jack Mason ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
Ref. 8315 Travel Chronometer39mm
Strat-o-timer GMT40mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Strat-o-timer GMT42h
Water Resistance
Ref. 8315 Travel Chronometer200m
Strat-o-timer GMT200m
MSRP
Ref. 8315 Travel Chronometer$2,479
Strat-o-timer GMT$1,099

Full specifications

Case

4 specs
Category
GMT
—
Diameter
39mm
40mm
Thickness
12.3mm
13.2mm
Lug-to-Lug
46.5mm
47mm

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
GMT - Enamel Black
—
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
SOPROD C125 COSC
Miyota 9075
Complications
GMT, COSC
None

Pricing

1 specs
MSRP
$2,479
$1,099
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