Seiko Cal. 5638 - 530

The Seiko 5638-530 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-228fa1ad8c04]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

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