Side by side
Serica Ref. 5303 Diving ChronometervsCircula Watches AquaSport GMT
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
AquaSport GMT40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
AquaSport GMT56h
Water Resistance
Ref. 5303 Diving Chronometer300m
AquaSport GMT200m
MSRP
Ref. 5303 Diving Chronometer$1,768
AquaSport GMT—
Full specifications
Case
5 specsCategory
Diver
—
Diameter
39mm
40mm
Thickness
12.2mm
12.6mm
Lug-to-Lug
46.5mm
46mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Blue
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
Sellita SW330-2
Power Reserve
42h
56h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
—
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