Seiko Cal. 6659 - 784

The Seiko 6659-784 represents an important milestone in Seiko's 1985 lineup. Powered by the 6659 caliber with 19j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-7730c073a031]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1985

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