Seiko Cal. 5689 - 861

The Seiko 5689-861 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-4ad6bbb1b3f0]

Also known as: Samurai, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

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