Side by side
Serica Ref. 5303 Diving ChronometervsNadir Vespera GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
Vespera GMT42mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Vespera GMT42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Vespera GMT200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Vespera GMT—
Full specifications
Case
6 specsCategory
Diver
—
Diameter
39mm
42mm
Thickness
12.2mm
13.1mm
Lug-to-Lug
46.5mm
47mm
Lug Width
20mm
22mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
Super-LumiNova BGW9
Movement
2 specsCaliber
M100 COSC
Miyota 9075
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
—
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