Which is cheaper, the Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

At MSRP the Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date is the cheaper of the two at $238, against $1,700 for the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch — a $1,462 gap before any retailer discounting.

Which is bigger, the Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch wears larger at 42mm versus 40mm for the Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date — a 2mm difference across the dial.

Which has better water resistance, the Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch is rated to 300m versus 200m for the Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date.

What movement does the Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date run compared to the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

Both watches run automatic movements — the Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date uses the Seiko NH35A and the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch uses the 6R54.

Side by side

Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no datevsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch

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

Add a watch

Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date

MSRP $238

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch

spb519j1

MSRP $1,700

At a glance

11 of 29 specs differ

Diameter

1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date40mm

Prospex Sea 1968 Heritage Diver's GMT Watch42mm

Power Reserve

1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date—

Prospex Sea 1968 Heritage Diver's GMT Watch72h

Water Resistance

1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date200m

Prospex Sea 1968 Heritage Diver's GMT Watch300m

MSRP

1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date$238

Prospex Sea 1968 Heritage Diver's GMT Watch$1,700

Full specifications

Case

4 specs

Diameter

40mm

42mm

Thickness

12.8mm

13.3mm

Lug-to-Lug

46mm

48.6mm

Water Resistance

200m

300m

Crystal & Dial

3 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

White/Blue

Black

Lume

Swiss blue lume

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Seiko NH35A

6R54

Power Reserve

—

72h

Jewels

Pricing

1 specs

MSRP

$238

$1,700

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Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no datevsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch

At a glance

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