Side by side
Serica Ref. 5303 Diving ChronometervsAirain Watches Sous-Marine
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
Sous-Marine37.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Sous-Marine68h
Water Resistance
Ref. 5303 Diving Chronometer300m
Sous-Marine200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Sous-Marine$2,050
Full specifications
Case
5 specsCategory
Diver
—
Diameter
39mm
37.5mm
Thickness
12.2mm
10.45mm
Lug-to-Lug
46.5mm
48.2mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
Super-LumiNova C3
Movement
3 specsCaliber
M100 COSC
La Joux-Perret G100
Power Reserve
42h
68h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$2,050
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