Side by side
Boldr BlastoisevsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition
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
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm
Power Reserve
Blastoise40h
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h
Water Resistance
Blastoise200m
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m
MSRP
Blastoise$449
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350
Full specifications
Case
3 specsDiameter
40mm
42.7mm
Thickness
12mm
13.2mm
Lug-to-Lug
49.5mm
46.4mm
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blastoise
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko (SII) NH37
6R35
Power Reserve
40h
70h
Jewels
25
24
Pricing
1 specsMSRP
$449
$1,350
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