Seiko Cal. 5640 - 585

The Seiko 5640-585 represents an important milestone in Seiko's 1986 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-b0a867b10ec9]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1986

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