Seiko Cal. 4524 - 261

The Seiko 4524-261 represents an important milestone in Seiko's 1968 lineup. Powered by the 4524 caliber with 21j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-bdebe540bd32]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1968

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