Side by side

Serica Ref. 5303 Diving ChronometervsHelgray Bomber Quartz - Brigadier Gray (Prototype)

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
Bomber Quartz - Brigadier Gray (Prototype)
HelgrayBomber Quartz - Brigadier Gray (Prototype)
MSRP $249

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Bomber Quartz - Brigadier Gray (Prototype)40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Bomber Quartz - Brigadier Gray (Prototype)40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Bomber Quartz - Brigadier Gray (Prototype)100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Bomber Quartz - Brigadier Gray (Prototype)$249

Full specifications

Case

5 specs
Category
Diver
Pilot
Diameter
39mm
40mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
M100 COSC
—
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$249

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