Side by side
Serica Ref. 5303 Diving ChronometervsUgly Watch Co 100m GMT Sport Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
100m GMT Sport Diver42mm
Power Reserve
Ref. 5303 Diving Chronometer42h
100m GMT Sport Diver41h
Water Resistance
Ref. 5303 Diving Chronometer300m
100m GMT Sport Diver100m
MSRP
Ref. 5303 Diving Chronometer$1,768
100m GMT Sport Diver—
Full specifications
Case
5 specsCategory
Diver
—
Diameter
39mm
42mm
Thickness
12.2mm
12.6mm
Lug-to-Lug
46.5mm
—
Water Resistance
300m
100m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Red
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
Seiko NH34A
Power Reserve
42h
41h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
—
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