Seiko Cal. 4551 - 713

This Hand-Winding model from 1976 features a 40mm Stainless Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-00d3037ec6df]

Also known as: World Timer, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1976

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