Seiko Cal. 5638 - 409

The 5638-409 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-8d2eaeb4d0fb]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1982

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