Seiko Cal. 4559 - 240

The Seiko 4559-240 represents an important milestone in Seiko's 1976 lineup. Powered by the 4559 caliber with 23j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-b1213fdced5e]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1976

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