Seiko Cal. 4561 - 592

This Spring Drive model from 1978 features a 46mm Hardlex-Coated Steel case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-225c99034d75]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1978

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