Which is cheaper, the Sheffield 1A or the Seiko King Turtle?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $650 for the Seiko King Turtle — a $427 gap before any retailer discounting.

Which is bigger, the Sheffield 1A or the Seiko King Turtle?

The Seiko King Turtle wears larger at 45mm versus 40mm for the Sheffield 1A — a 5mm difference across the dial.

What movement does the Sheffield 1A run compared to the Seiko King Turtle?

Both watches run automatic movements — the Sheffield 1A uses the Seiko NH35A and the Seiko King Turtle uses the 4R36.

Side by side

Sheffield 1AvsSeiko King Turtle

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

Add a watch

Sheffield 1A

diver-1a-40mm-white

MSRP $223

Seiko King Turtle

srpe03

MSRP $650

At a glance

11 of 29 specs differ

Diameter

1A40mm

King Turtle45mm

Power Reserve

1A—

King Turtle41h

Water Resistance

1A200m

King Turtle200m

MSRP

1A$223

King Turtle$650

Full specifications

Case

4 specs

Diameter

40mm

45mm

Thickness

12.8mm

13.2mm

Lug-to-Lug

46mm

47.7mm

Lug Width

20mm

22mm

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 and index(es)

Movement

3 specs

Caliber

Seiko NH35A

4R36

Power Reserve

—

41h

Jewels

Pricing

1 specs

MSRP

$223

$650

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Sheffield 1AvsSeiko King Turtle

At a glance

Full specifications

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