Seiko Cal. 5640 - 582

The Seiko 5640-582 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-68eaf4a6fcbd]

Also known as: Tuna, Panda

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1983

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