Seiko Cal. 4556 - 764

Seiko 4556-764

This Spring Drive model from 1980 features a 36mm Hardlex-Coated Steel case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-38fe80c65f4c]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Black
Jewels
20j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1980

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seikata-wm-38fe80c65f4c