Seiko Cal. 5639 - 880

The Seiko 5639-880 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-c35b3b720b1e]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1978

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