Seiko Cal. 4579 - 261

The 4579-261 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4579 caliber with 18j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-046cf9cad6cf]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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