Seiko Cal. 4457 - 993

The 4457-993 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-4ae13497ed1b]

Also known as: Turtle, Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1967

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