Seiko Cal. 6639 - 176

The Seiko 6639-176 represents an important milestone in Seiko's 1989 lineup. Powered by the 6639 caliber with 29j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-d38b0d7438aa]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1989

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