Seiko Cal. 5643 - 667

The Seiko 5643-667 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-ae70ca2b6b79]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1981

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