Seiko Cal. 6661 - 316

This Solar model from 1970 features a 40mm Two-Tone case. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-bba3a9b057dd]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1970

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