Seiko Cal. 5660 - 691

The Seiko 5660-691 represents an important milestone in Seiko's 1968 lineup. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-9cc8ee6c34e4]

Also known as: Shogun, Pogue

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1968

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