Which is cheaper, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)?

At MSRP the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) is the cheaper of the two at $223, against $3,600 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch — a $3,377 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch wears larger at 42.6mm versus 38mm for the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) — a 4.6mm difference across the dial.

Which has better water resistance, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch is rated to 300m versus 200m for the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap).

What movement does the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch run compared to the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)?

Both watches run automatic movements — the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch uses the 8L45 and the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) uses the Seiko NH35.

Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

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

hbf001j1

MSRP $3,600

Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

MSRP $223

At a glance

12 of 29 specs differ

Diameter

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

1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)38mm

Power Reserve

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h

1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)—

Water Resistance

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m

1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)200m

MSRP

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

1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)$223

Full specifications

Case

4 specs

Diameter

42.6mm

38mm

Thickness

14.1mm

12.8mm

Lug-to-Lug

49.3mm

46mm

Water Resistance

300m

200m

Crystal & Dial

4 specs

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Dial Color

Black

Blue

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

8L45

Seiko NH35

Power Reserve

72h

—

Jewels

Pricing

1 specs

MSRP

$3,600

$223

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Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

At a glance

Full specifications

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