Seiko Cal. 5639 - 864

Released in 1976, the Cal. 5639 with design code 864 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-7a025d631ddf]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1976

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