Seiko Cal. 6635 - 166

This Automatic model from 1990 features a 46mm Gold-Plated case. Powered by the 6635 caliber with 31j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-f4c5823350e8]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1990

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