Seiko Cal. 4560 - 640

This Spring Drive model from 1974 features a 39mm Stainless Steel case. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-549638d03e17]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1974

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