Seiko Cal. 5643 - 878

The Seiko 5643-878 represents an important milestone in Seiko's 1994 lineup. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-dfedc6ccbc95]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1994

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