Side by side
Boldr BlastoisevsSeestern S450 Ocean Star
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Blastoise40mm
S450 Ocean Star40mm
Power Reserve
Blastoise40h
S450 Ocean Star41h
Water Resistance
Blastoise200m
S450 Ocean Star100m
MSRP
Blastoise$449
S450 Ocean Star$299
Full specifications
Case
3 specsLug-to-Lug
49.5mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
2 specsDial Color
Blastoise
White
Lume
Super-LumiNova
Tritium
Movement
5 specsCaliber
Seiko (SII) NH37
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$449
$299
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