Seiko Cal. 6661 - 885

This Quartz model from 1971 features a 41mm Gold-Plated case. Powered by the 6661 caliber with 31j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-bd768f9a5e28]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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