Side by side
Serica Ref. 5303 Diving ChronometervsManufaktur Waldhoff Ultramatic II
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
Ultramatic II42.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Ultramatic II72h
Water Resistance
Ref. 5303 Diving Chronometer300m
Ultramatic II—
MSRP
Ref. 5303 Diving Chronometer$1,768
Ultramatic II$1,599
Full specifications
Case
6 specsCategory
Diver
—
Diameter
39mm
42.5mm
Thickness
12.2mm
11.5mm
Lug-to-Lug
46.5mm
50mm
Lug Width
20mm
22mm
Water Resistance
300m
—
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Royal Blue
Lume
Super-LumiNova
None
Movement
4 specsCaliber
M100 COSC
HZ 3415
Type
Automatic
Manual
Power Reserve
42h
72h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$1,599
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