Side by side
Serica Ref. 5303 Diving ChronometervsSugess Ocean Star S450 YM
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
Ocean Star S450 YM40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Ocean Star S450 YM40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Ocean Star S450 YM300m
MSRP
Ref. 5303 Diving Chronometer$1,768
Ocean Star S450 YM$449
Full specifications
Case
3 specsDiameter
39mm
40mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
Tritium
Movement
4 specsCaliber
M100 COSC
Seiko NH35
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
40h
Complications
COSC
GMT, Moonphase, Date
Pricing
1 specsMSRP
$1,768
$449
Follow this matchup
Get a note when Serica Ref. 5303 Diving Chronometer vs Sugess Ocean Star S450 YM gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Bremont Supermarine 300MvsSugess Ocean Star S450 YMSugess Ocean Star S450 YMvsSpinnaker Spence 300Lorier Neptune SIVvsSugess Ocean Star S450 YMSugess Ocean Star S450 YMvsVaer D5 Tropic AutoSerica Ref. 5303 Diving ChronometervsZelos Swordfish 3Serica Ref. 5303 Diving ChronometervsWilliam Wood Fearless