Side by side
Serica Ref. 5303 Diving ChronometervsSheffield Allsport Diver 1
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
Allsport Diver 140mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Allsport Diver 1—
Water Resistance
Ref. 5303 Diving Chronometer300m
Allsport Diver 1200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Allsport Diver 1—
Full specifications
Case
5 specsDiameter
39mm
40mm
Thickness
12.2mm
13mm
Lug-to-Lug
46.5mm
48mm
Lug Width
20mm
—
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Blue
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
Seiko NH35
Power Reserve
42h
—
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
—
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