Seiko Cal. 4558 - 661

The Seiko 4558-661 represents an important milestone in Seiko's 1992 lineup. Powered by the 4558 caliber with 21j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-b3d4dee6992c]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1992

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