Seiko Cal. 4556 - 358

The Seiko 4556-358 represents an important milestone in Seiko's 1991 lineup. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-ba620fc2c50b]

Also known as: Crown, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1991

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