Seiko Cal. 6660 - 456

This Hand-Winding model from 1974 features a 39mm Two-Tone case. Powered by the 6660 caliber with 24j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-6f0735f0bd0f]

Also known as: Rally, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1974

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