Seiko Cal. 4556 - 104

The Seiko 4556-104 represents an important milestone in Seiko's 1987 lineup. With its 22mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-7a307b5d4ac8]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1987

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