Side by side
Serica Ref. 8315 Travel ChronometervsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Ref. 8315 Travel Chronometer39mm
Reef Mariana40mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Reef Mariana—
Water Resistance
Ref. 8315 Travel Chronometer200m
Reef Mariana200m
MSRP
Ref. 8315 Travel Chronometer$2,479
Reef Mariana$449
Full specifications
Case
4 specsCategory
GMT
—
Diameter
39mm
40mm
Thickness
12.3mm
13.2mm
Lug-to-Lug
46.5mm
47.5mm
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
GMT - Enamel Black
Orange
Lume
Super-LumiNova
BGW9
Movement
3 specsCaliber
SOPROD C125 COSC
Seiko NH35
Power Reserve
42h
—
Complications
GMT, COSC
None
Pricing
1 specsMSRP
$2,479
$449
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