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

At MSRP the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium is the cheaper of the two at $1,390, against $2,900 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch — a $1,510 gap before any retailer discounting.

Which is bigger, the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium 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 41mm for the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium — a 1.6mm difference across the dial.

Which has better water resistance, the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium 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 Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium.

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

Both watches run automatic movements — the Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium uses the F6N47 and the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch uses the 8L35.

Side by side

Orient Star M42 Diver 1964 2nd Edition F6 Date 200m TitaniumvsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

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

Add a 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

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

sla077j1

MSRP $2,900

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

Buy from Orient Star ↗

Buy used on eBay ↗

Buy from Seiko ↗

Buy used on eBay ↗

At a glance

14 of 29 specs differ

Diameter

M42 Diver 1964 2nd Edition F6 Date 200m Titanium41mm

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

Power Reserve

M42 Diver 1964 2nd Edition F6 Date 200m Titanium50h

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h

Water Resistance

M42 Diver 1964 2nd Edition F6 Date 200m Titanium200m

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m

MSRP

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

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

Full specifications

Case

7 specs

Diameter

41mm

42.6mm

Thickness

14.3mm

13.4mm

Lug-to-Lug

49.6mm

49.3mm

Material

Titanium

Stainless Steel

Finish

—

Brushed and polished

Water Resistance

200m

300m

Caseback

—

Solid

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Dial Color

Charcoal Grey

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

2 specs

Caliber

F6N47

8L35

Jewels

Pricing

1 specs

MSRP

$1,390

$2,900

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Geckotamicro

Sea-Hunter Dive Watch

6 variantsSea-Hunter

40mm·Automatic·200m WR

1980 RN Divers Automatic Re-Issue Watch

41mm·Automatic·300m WR

$2,458MSRP

—Used

Cooper Watchesmicro

MWC 24 Jewel 1982 Pattern 300m Automatic Military Divers Watch with Sapphire (Date)

2 variantsSeries

40mm·Automatic·300m WR

$354MSRP

—Used

Echo/Neutramicro

Follow this matchup

Get a note when Orient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium vs Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Cooper Watches MWC 24 Jewel 1982 Pattern 300m Automatic Military Divers Watch with Sapphire (Date)vsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch Aquastar Benthos Heritage IIvsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch Lorier Hydra SIIIvsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch Henry Archer NordsøvsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch Orient Star M42 Diver 1964 2nd Edition F6 Date 200m TitaniumvsSpinnaker Tesei Titanium Borealis Watch Co. Caloura 300mvsOrient Star M42 Diver 1964 2nd Edition F6 Date 200m Titanium

Edit this comparison Add another watch More diver comparisons Best Diver Watches Under $2,000 Explore more 40–44mm watches

Orient Star M42 Diver 1964 2nd Edition F6 Date 200m TitaniumvsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

At a glance

Full specifications

More watches worth a look

Sea-Hunter Dive Watch

1980 RN Divers Automatic Re-Issue Watch

MWC 24 Jewel 1982 Pattern 300m Automatic Military Divers Watch with Sapphire (Date)

Cristallo Professional Diver 500m

1970

Phalanx

YEMA x Silberstein Marine 2 CMM.20 Limited Edition

Skindiver II Automatic

Follow this matchup

People also compared