Which is cheaper, the Boldr Blastoise or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

At MSRP the Boldr Blastoise is the cheaper of the two at $449, against $2,900 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch — a $2,451 gap before any retailer discounting.

Which is bigger, the Boldr Blastoise or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch wears larger at 42.6mm versus 40mm for the Boldr Blastoise — a 2.6mm difference across the dial.

Which has better water resistance, the Boldr Blastoise or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch is rated to 300m versus 200m for the Boldr Blastoise.

Which has a longer power reserve, the Boldr Blastoise or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch carries a 50-hour power reserve against 40 hours on the Boldr Blastoise.

What movement does the Boldr Blastoise run compared to the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

Both watches run automatic movements — the Boldr Blastoise uses the Seiko (SII) NH37 and the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch uses the 8L35.

Side by side

Boldr BlastoisevsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Boldr Blastoise

blastoise

MSRP $449

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

sla077j1

MSRP $2,900

At a glance

12 of 29 specs differ

Diameter

Blastoise40mm

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm

Power Reserve

Blastoise40h

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h

Water Resistance

Blastoise200m

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m

MSRP

Blastoise$449

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900

Full specifications

Case

4 specs

Diameter

40mm

42.6mm

Thickness

12mm

13.4mm

Lug-to-Lug

49.5mm

49.3mm

Water Resistance

200m

300m

Crystal & Dial

4 specs

Crystal 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 specs

Caliber

Seiko (SII) NH37

8L35

Power Reserve

40h

50h

Jewels

Pricing

1 specs

MSRP

$449

$2,900

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