Seiko Cal. 5640 - 895

The Seiko 5640-895 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e1d9dcb7be35]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1977

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