Side by side
Serica Ref. 5303 Diving ChronometervsSmith & Bradley Atlantis A2 Quartz
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
Atlantis A2 Quartz44mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Atlantis A2 Quartz40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Atlantis A2 Quartz300m
MSRP
Ref. 5303 Diving Chronometer$1,768
Atlantis A2 Quartz$349
Full specifications
Case
4 specsDiameter
39mm
44mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Lug Width
20mm
22mm
Crystal & Dial
2 specsDial Color
Enamel Black
Black
Lume
Super-LumiNova
None
Movement
4 specsCaliber
M100 COSC
Ronda
Type
Automatic
Quartz
Power Reserve
42h
40h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$349
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