Side by side
Serica Ref. 5303 Diving ChronometervsZero West L1 1884 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
L1 1884 Longitude44mm
Power Reserve
Ref. 5303 Diving Chronometer42h
L1 1884 Longitude38h
Water Resistance
Ref. 5303 Diving Chronometer300m
L1 1884 Longitude100m
MSRP
Ref. 5303 Diving Chronometer$1,768
L1 1884 Longitude—
Full specifications
Case
6 specsCategory
Diver
—
Diameter
39mm
44mm
Thickness
12.2mm
14.1mm
Lug-to-Lug
46.5mm
49.6mm
Lug Width
20mm
22mm
Water Resistance
300m
100m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
ETA 2824
Power Reserve
42h
38h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
—
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