Seiko Cal. 5666 - 368

The Seiko 5666-368 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-dca0aa2eaa7b]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1979

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