Seiko Cal. 5660 - 859

The Seiko 5660-859 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-716a94640f91]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1984

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