Seiko Cal. 6646 - 197

The Seiko 6646-197 represents an important milestone in Seiko's 1991 lineup. Powered by the 6646 caliber with 35j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-47b79de085ed]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1991

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