Seiko Cal. 6641 - 860

Released in 1972, the Cal. 6641 with design code 860 was part of Seiko's domestic market collection. Powered by the 6641 caliber with 19j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-ec3ad681ddf4]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1972

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