Seiko Cal. 5633 - 639

The Seiko 5633-639 represents an important milestone in Seiko's 1982 lineup. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-994549b07851]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1982

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