Side by side
Serica Ref. 5303 Diving ChronometervsCrafter Blue Mechanic Ocean Mark II
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
Mechanic Ocean Mark II41mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Mechanic Ocean Mark II—
Water Resistance
Ref. 5303 Diving Chronometer300m
Mechanic Ocean Mark II300m
MSRP
Ref. 5303 Diving Chronometer$1,768
Mechanic Ocean Mark II—
Full specifications
Case
5 specsCategory
Diver
—
Diameter
39mm
41mm
Thickness
12.2mm
13.5mm
Lug-to-Lug
46.5mm
—
Lug Width
20mm
22mm
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
White
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
Miyota 9015
Power Reserve
42h
—
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
—
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