Seiko Cal. 5638 - 794

Released in 1989, the Cal. 5638 with design code 794 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-490bfc1205cb]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1989

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