Seiko Cal. 6657 - 183

The Seiko 6657-183 represents an important milestone in Seiko's 1965 lineup. Powered by the 6657 caliber with 19j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-369f2254d42a]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1965

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