Seiko Cal. 5640 - 167

The Seiko 5640-167 represents an important milestone in Seiko's 1987 lineup. It features a White dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-7b121379f228]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1987

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