Side by side
Serica Ref. 5303 Diving ChronometervsRedux COURG: A-11 US Navy Squadron Special Edition
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
COURG: A-11 US Navy Squadron Special Edition39mm
Power Reserve
Ref. 5303 Diving Chronometer42h
COURG: A-11 US Navy Squadron Special Edition41h
Water Resistance
Ref. 5303 Diving Chronometer300m
COURG: A-11 US Navy Squadron Special Edition150m
MSRP
Ref. 5303 Diving Chronometer$1,768
COURG: A-11 US Navy Squadron Special Edition$550
Full specifications
Case
5 specsCategory
Diver
—
Thickness
12.2mm
13.7mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
Titanium
Water Resistance
300m
150m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
Seiko NH35A
Power Reserve
42h
41h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$550
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