Seiko Cal. 5660 - 456

The Seiko 5660-456 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-9bb405caf537]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1971

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