Which is cheaper, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium?

At MSRP the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium is the cheaper of the two at $1,390, against $3,600 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch — a $2,210 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch wears larger at 42.6mm versus 41mm for the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium — a 1.6mm difference across the dial.

Which has a longer power reserve, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch carries a 72-hour power reserve against 50 hours on the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium.

What movement does the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch run compared to the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium?

Both watches run automatic movements — the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch uses the 8L45 and the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium uses the F6N47.

Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsOrient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium

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

Add a watch

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

MSRP $3,600

See the full Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium

RE-AU0702B

MSRP $1,390

See the full M42 Diver 1964 2nd Edition F6 Date 200m Titanium

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At a glance

15 of 29 specs differ

Diameter

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

M42 Diver 1964 2nd Edition F6 Date 200m Titanium41mm

Power Reserve

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h

M42 Diver 1964 2nd Edition F6 Date 200m Titanium50h

Water Resistance

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m

M42 Diver 1964 2nd Edition F6 Date 200m Titanium200m

MSRP

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600

M42 Diver 1964 2nd Edition F6 Date 200m Titanium$1,390

Full specifications

Case

7 specs

Diameter

42.6mm

41mm

Thickness

14.1mm

14.3mm

Lug-to-Lug

49.3mm

49.6mm

Material

Stainless Steel

Titanium

Finish

Brushed and polished

—

Water Resistance

300m

200m

Caseback

Solid

—

Crystal & Dial

4 specs

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Yes

Dial Color

Black

Charcoal Grey

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

8L45

F6N47

Power Reserve

72h

50h

Jewels

Pricing

1 specs

MSRP

$3,600

$1,390

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Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsOrient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium

At a glance

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