Side by side
Serica Ref. 5303 Diving ChronometervsHelgray Speedster (Silver Panda)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
Speedster (Silver Panda)39mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Speedster (Silver Panda)40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Speedster (Silver Panda)30m
MSRP
Ref. 5303 Diving Chronometer$1,768
Speedster (Silver Panda)$299
Full specifications
Case
4 specsCategory
Diver
Chronograph
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Water Resistance
300m
30m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
Miyota 6S21
Power Reserve
42h
40h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$299
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