Side by side
Serica Ref. 5303 Diving ChronometervsRedwood Watches Jetstream GMT
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
Jetstream GMT40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Jetstream GMT40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Jetstream GMT300m
MSRP
Ref. 5303 Diving Chronometer$1,768
Jetstream GMT$419
Full specifications
Case
4 specsCategory
Diver
—
Diameter
39mm
40mm
Thickness
12.2mm
13.7mm
Lug-to-Lug
46.5mm
46mm
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
—
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
Seiko NH34
Power Reserve
42h
40h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$419
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