Seiko Cal. 4556 - 963

The Seiko 4556-963 represents an important milestone in Seiko's 1978 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-22934de1adf8]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1978

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