Side by side
Serica Ref. 8315 Travel ChronometervsNorthern Star Watch Sentinel
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
Sentinel40.5mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Sentinel42h
Water Resistance
Ref. 8315 Travel Chronometer200m
Sentinel50m
MSRP
Ref. 8315 Travel Chronometer$2,479
Sentinel$649
Full specifications
Case
6 specsCategory
GMT
—
Diameter
39mm
40.5mm
Thickness
12.3mm
10.1mm
Lug-to-Lug
46.5mm
43.72mm
Lug Width
20mm
20mm
Water Resistance
200m
50m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
GMT - Enamel Black
White
Lume
Super-LumiNova
None
Movement
3 specsCaliber
SOPROD C125 COSC
Miyota 90S5
Power Reserve
42h
42h
Complications
GMT, COSC
None
Pricing
1 specsMSRP
$2,479
$649
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