Seiko Cal. 6617 - 166

The Seiko 6617-166 represents an important milestone in Seiko's 1982 lineup. Powered by the 6617 caliber with 17j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-64ef2c10edc8]

Also known as: Helmet, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1982

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