Side by side
Serica Ref. 5303 Diving ChronometervsLoresum LS01
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
LS0142mm
Power Reserve
Ref. 5303 Diving Chronometer42h
LS0140h
Water Resistance
Ref. 5303 Diving Chronometer300m
LS0150m
MSRP
Ref. 5303 Diving Chronometer$1,768
LS01—
Full specifications
Case
6 specsCategory
Diver
—
Diameter
39mm
42mm
Thickness
12.2mm
12.5mm
Lug-to-Lug
46.5mm
51mm
Lug Width
20mm
22mm
Water Resistance
300m
50m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
—
Lume
Super-LumiNova
Swiss Super-LumiNova® BGW9
Movement
3 specsCaliber
M100 COSC
Miyota 9015
Power Reserve
42h
40h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
—
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