Seiko Cal. 4555 - 591

Released in 1998, the Cal. 4555 with design code 591 was part of Seiko's domestic market collection. With its 22mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-5cf7322ca4d7]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1998

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