Seiko Cal. 5638 - 529

The Seiko 5638-529 represents an important milestone in Seiko's 1970 lineup. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-080d6b2a81d5]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1970

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