Seiko Cal. 6641 - 659

This Solar model from 1980 features a 44mm Stainless Steel case. Powered by the 6641 caliber with 17j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-516cdc9852f0]

Also known as: Bullhead, Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1980

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