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.

Ref. 5303 Diving Chronometer
SericaRef. 5303 Diving Chronometer
MSRP $1,768
Heritage S463 BB GMT
SugessHeritage S463 BB GMT
MSRP $599

At a glance

13 of 29 specs differ
Diameter
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 specs
Category
Diver
GMT
Diameter
39mm
40mm
Thickness
12.2mm
20mm
Lug-to-Lug
46.5mm
48mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
Tritium

Movement

4 specs
Caliber
M100 COSC
NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
35h
Complications
COSC
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$1,768
$599

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