Seiko Cal. 6661 - 103

This Quartz model from 1984 features a 37mm Gold-Plated case. Powered by the 6661 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-b6ea0f15059c]

Also known as: Tuna, Bullhead

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1984

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