Seiko Cal. 6660 - 964

The Seiko 6660-964 represents an important milestone in Seiko's 1976 lineup. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-0e86620b136c]

Also known as: Rally, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

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