Seiko Cal. 4556 - 927

The Seiko 4556-927 represents an important milestone in Seiko's 1994 lineup. Powered by the 4556 caliber with 18j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-f088ed687a39]

Also known as: Bullhead, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1994

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