Side by side
Serica Ref. 5303 Diving ChronometervsSynchron 70s Military
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
70s Military42mm
Power Reserve
Ref. 5303 Diving Chronometer42h
70s Military40h
Water Resistance
Ref. 5303 Diving Chronometer300m
70s Military300m
MSRP
Ref. 5303 Diving Chronometer$1,768
70s Military—
Full specifications
Case
5 specsCategory
Diver
—
Diameter
39mm
42mm
Thickness
12.2mm
12.5mm
Lug-to-Lug
46.5mm
45mm
Lug Width
20mm
—
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
Sellita SW200
Power Reserve
42h
40h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
—
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