Side by side
Serica Ref. 5303 Diving ChronometervsOrient RA-AC0K05G00B LE
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
RA-AC0K05G00B LE43.4mm
Power Reserve
Ref. 5303 Diving Chronometer42h
RA-AC0K05G00B LE40h
Water Resistance
Ref. 5303 Diving Chronometer300m
RA-AC0K05G00B LE200m
MSRP
Ref. 5303 Diving Chronometer$1,768
RA-AC0K05G00B LE$450
Full specifications
Case
5 specsDiameter
39mm
43.4mm
Thickness
12.2mm
12.8mm
Lug-to-Lug
46.5mm
51mm
Lug Width
20mm
22mm
Water Resistance
300m
200m
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Yes
—
Dial Color
Enamel Black
Gold
Indices
Applied
—
Lume
Super-LumiNova
None
Movement
5 specsCaliber
M100 COSC
Orient F6722
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
40h
Jewels
25
22
Complications
COSC
Date
Pricing
1 specsMSRP
$1,768
$450
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