Seiko Cal. 6641 - 206

This Solar model from 1991 features a 40mm Stainless Steel case. Powered by the 6641 caliber with 31j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-fc38eda08697]

Also known as: Samurai, Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1991

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