Side by side
Serica Ref. 5303 Diving ChronometervsFeynman Timekeepers Daylight
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
Daylight38mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Daylight—
Water Resistance
Ref. 5303 Diving Chronometer300m
Daylight50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Daylight—
Full specifications
Case
6 specsCategory
Diver
—
Diameter
39mm
38mm
Thickness
12.2mm
8.64mm
Lug-to-Lug
46.5mm
—
Lug Width
20mm
24mm
Water Resistance
300m
50m
Crystal & Dial
4 specsCrystal
Sapphire
—
AR Coating
Yes
Inner
Dial Color
Enamel Black
Silver
Lume
Super-LumiNova
None
Movement
4 specsCaliber
M100 COSC
ETA 7001
Type
Automatic
Manual
Power Reserve
42h
—
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
—
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