Side by side
Serica Ref. 5303 Diving ChronometervsWren Diver One Aqua
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
Diver One Aqua41mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Diver One Aqua38h
Water Resistance
Ref. 5303 Diving Chronometer300m
Diver One Aqua200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Diver One Aqua$965
Full specifications
Case
6 specsCategory
Diver
—
Diameter
39mm
41mm
Thickness
12.2mm
13.3mm
Lug-to-Lug
46.5mm
47mm
Material
Stainless Steel
PVD coated retaining steel color for scratch resistant
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
Sellita SW200
Power Reserve
42h
38h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$965
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