Seiko Cal. 6642 - 417

This Spring Drive model from 1981 features a 37mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-f150d99e48d9]

Also known as: Goldfeather, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1981

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