Side by side
Serica Ref. 5303 Diving ChronometervsSugess Heritage S463 BB GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
Heritage S463 BB GMT40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Heritage S463 BB GMT35h
Water Resistance
Ref. 5303 Diving Chronometer300m
Heritage S463 BB GMT100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Heritage S463 BB GMT$599
Full specifications
Case
5 specsCategory
Diver
GMT
Diameter
39mm
40mm
Thickness
12.2mm
20mm
Lug-to-Lug
46.5mm
48mm
Water Resistance
300m
100m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
Tritium
Movement
4 specsCaliber
M100 COSC
NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
35h
Complications
COSC
GMT, Moonphase, Date
Pricing
1 specsMSRP
$1,768
$599
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