Seiko Cal. 4578 - 665

The Seiko 4578-665 represents an important milestone in Seiko's 1981 lineup. Powered by the 4578 caliber with 29j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-6be959fa3120]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1981

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