Side by side
Serica Ref. 5303 Diving ChronometervsZero West L3 Longitude
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. 5303 Diving Chronometer39mm
L3 Longitude42mm
Power Reserve
Ref. 5303 Diving Chronometer42h
L3 Longitude41h
Water Resistance
Ref. 5303 Diving Chronometer300m
L3 Longitude100m
MSRP
Ref. 5303 Diving Chronometer$1,768
L3 Longitude$2,495
Full specifications
Case
6 specsCategory
Diver
—
Diameter
39mm
42mm
Thickness
12.2mm
13.2mm
Lug-to-Lug
46.5mm
47mm
Lug Width
20mm
22mm
Water Resistance
300m
100m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
—
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
Sellita SW261-1
Power Reserve
42h
41h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$2,495
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