Seiko Cal. 4556 - 963

Seiko 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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