Seiko Cal. 4555 - 556

Seiko 4555-556

This Automatic model from 1973 features a 45mm Hardlex-Coated Steel case. Powered by the 4555 caliber with 30j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-a382c2a0e39a]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
14.7mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1973

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seikata-wm-a382c2a0e39a