Side by side
Serica Ref. 5330 Diving Chronometer DatevsSeestern S450 Ocean Star
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. 5330 Diving Chronometer Date39mm
S450 Ocean Star40mm
Power Reserve
Ref. 5330 Diving Chronometer Date42h
S450 Ocean Star41h
Water Resistance
Ref. 5330 Diving Chronometer Date300m
S450 Ocean Star100m
MSRP
Ref. 5330 Diving Chronometer Date$2,005
S450 Ocean Star$299
Full specifications
Case
5 specsDiameter
39mm
40mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Black
White
Lume
Super-LumiNova
Tritium
Movement
5 specsCaliber
SoProd M100
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
41h
Jewels
25
24
Complications
COSC, Date
GMT, Date
Pricing
1 specsMSRP
$2,005
$299
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