Seiko Cal. 6660 - 394

This Hand-Winding model from 1976 features a 45mm Titanium case. With its 19mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-152e0da8cdd2]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1976

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