Seiko Cal. 6630 - 667

This Automatic model from 1985 features a 46mm Stainless Steel case. Powered by the 6630 caliber with 31j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-57be01c2d6aa]

Also known as: Turtle, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1985

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