Side by side
Boldr BlastoisevsHamilton Jazzmaster Day Date Auto
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Blastoise40mm
Jazzmaster Day Date Auto40mm
Power Reserve
Blastoise40h
Jazzmaster Day Date Auto80h
Water Resistance
Blastoise200m
Jazzmaster Day Date Auto50m
MSRP
Blastoise$449
Jazzmaster Day Date Auto$1,045
Full specifications
Case
4 specsCategory
Diver
Dress
Thickness
12mm
11.52mm
Lug-to-Lug
49.5mm
46mm
Water Resistance
200m
50m
Crystal & Dial
2 specsDial Color
Blastoise
Black
Lume
Super-LumiNova
None
Movement
2 specsCaliber
Seiko (SII) NH37
H-40
Power Reserve
40h
80h
Pricing
1 specsMSRP
$449
$1,045
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