Seiko Cal. 6661 - 407

Released in 1991, the Cal. 6661 with design code 407 was part of Seiko's domestic market collection. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-80ea3484db73]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1991

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