Seiko Cal. 4551 - 501

This Spring Drive model from 1973 features a 37mm Hardlex-Coated Steel case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-5f39a11e9b97]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1973

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