Seiko Cal. 6670 - 988

The 6670-988 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6670 caliber with 22j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-7855c19a1963]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1985

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