Side by side
Boldr BlastoisevsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited 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 Black Series Limited Edition44mm
Power Reserve
Blastoise40h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Blastoise200m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Blastoise$449
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
Full specifications
Case
3 specsDiameter
40mm
44mm
Thickness
12mm
13mm
Lug-to-Lug
49.5mm
49.3mm
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
8L35
Power Reserve
40h
50h
Jewels
25
26
Pricing
1 specsMSRP
$449
$3,300
Follow this matchup
Get a note when Boldr Blastoise vs Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition 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.
Boldr CharizardvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionBaltic Aquascaphe Dual-CrownvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionBaltic Aquascaphe ClassicvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionBaltic Aquascaphe BronzevsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionBoldr BlastoisevsEcho/Neutra Cristallo Professional Diver 500mBoldr BlastoisevsGeckota Sea-Hunter Dive Watch