Seiko Cal. 5638 - 564

This Hand-Winding model from 1977 features a 42mm Gold-Plated case. It features a Silver dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-cb2bfd518c84]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1977

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