Seiko Cal. 4551 - 554

The Seiko 4551-554 represents an important milestone in Seiko's 1988 lineup. Powered by the 4551 caliber with 20j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-e36907054928]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1988

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