Side by side
Seestern S450 Ocean StarvsTSAO Baltimore Constellation Chrono-Diver - Sea Green
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
S450 Ocean Star40mm
Constellation Chrono-Diver - Sea Green41mm
Power Reserve
S450 Ocean Star41h
Constellation Chrono-Diver - Sea Green40h
Water Resistance
S450 Ocean Star100m
Constellation Chrono-Diver - Sea Green200m
MSRP
S450 Ocean Star$299
Constellation Chrono-Diver - Sea Green$450
Full specifications
Case
5 specsCategory
Diver
—
Diameter
40mm
41mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
2 specsDial Color
White
—
Lume
Tritium
None
Movement
6 specsCaliber
TMI NH35A
Seiko VK64
Type
Automatic
Mecaquartz
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None
Pricing
1 specsMSRP
$299
$450
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