Seiko Cal. 4551 - 154

The Seiko 4551-154 represents an important milestone in Seiko's 1974 lineup. Powered by the 4551 caliber with 36j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-dfb30167af8a]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1974

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