Seiko Cal. 5643 - 418

The Seiko 5643-418 represents an important milestone in Seiko's 1969 lineup. It features a White dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-43cf5c10b9ed]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1969

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