Seiko Cal. 5638 - 221

The Seiko 5638-221 represents an important milestone in Seiko's 1986 lineup. It features a Silver dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-402889d58bb2]

Also known as: Rally, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1986

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