Seiko Cal. 7054 - 591

The Seiko 7054-591 represents an important milestone in Seiko's 1986 lineup. Powered by the 7054 caliber with 17j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-b1be57c4fd22]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1986

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