Seiko Cal. 4556 - 326

Seiko 4556-326

This Automatic model from 1966 features a 42mm Hardlex-Coated Steel case. Powered by the 4556 caliber with 28j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-f3897807a2c5]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
11.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Navy
Jewels
28j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1966

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