Side by side
Serica Ref. 5303 Diving ChronometervsMazzucato Rim Sub
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
Rim Sub42mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Rim Sub42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Rim Sub100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Rim Sub$600
Full specifications
Case
6 specsCategory
Diver
—
Diameter
39mm
42mm
Thickness
12.2mm
—
Lug-to-Lug
46.5mm
—
Lug Width
20mm
—
Water Resistance
300m
100m
Crystal & Dial
4 specsCrystal
Sapphire
K1
AR Coating
Yes
Inner
Dial Color
Enamel Black
Orange
Lume
Super-LumiNova
None
Movement
2 specsCaliber
M100 COSC
Seiko NH70
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$600
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