Side by side
Serica Ref. 8315 Travel ChronometervsLum-Tec B68 Day Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Ref. 8315 Travel Chronometer39mm
B68 Day Date44mm
Power Reserve
Ref. 8315 Travel Chronometer42h
B68 Day Date40h
Water Resistance
Ref. 8315 Travel Chronometer200m
B68 Day Date200m
MSRP
Ref. 8315 Travel Chronometer$2,479
B68 Day Date$595
Full specifications
Case
6 specsCategory
GMT
Sport
Diameter
39mm
44mm
Thickness
12.3mm
—
Lug-to-Lug
46.5mm
51.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Crystal & Dial
4 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
GMT - Enamel Black
B68 Day Date
Lume
Super-LumiNova
None
Movement
4 specsCaliber
SOPROD C125 COSC
Ronda 515
Type
Automatic
Quartz
Power Reserve
42h
40h
Complications
GMT, COSC
None
Pricing
1 specsMSRP
$2,479
$595
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