Side by side
Serica Ref. 8315 Travel ChronometervsAlkin Watches Model One
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Ref. 8315 Travel Chronometer39mm
Model One42mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Model One—
Water Resistance
Ref. 8315 Travel Chronometer200m
Model One100m
MSRP
Ref. 8315 Travel Chronometer$2,479
Model One—
Full specifications
Case
6 specsCategory
GMT
—
Diameter
39mm
42mm
Thickness
12.3mm
13.25mm
Lug-to-Lug
46.5mm
50mm
Lug Width
20mm
22mm
Water Resistance
200m
100m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
GMT - Enamel Black
Green
Lume
Super-LumiNova
Super-LumiNova BGW9
Movement
3 specsCaliber
SOPROD C125 COSC
Seiko NH35A
Power Reserve
42h
—
Complications
GMT, COSC
None
Pricing
1 specsMSRP
$2,479
—
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