Seiko Cal. 4556 - 140

The Seiko 4556-140 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-0607836a64b9]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1978

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