Seiko Cal. 5639 - 165

Released in 1972, the Cal. 5639 with design code 165 was part of Seiko's domestic market collection. It features a Cream dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-bbae58dc9ba8]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1972

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