Seiko Cal. 4426 - 387

Seiko 4426-387

This Automatic model from 1974 features a 35mm Hardlex-Coated Steel case. Powered by the 4426 caliber with 18j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-3b9f1ada0824]

Also known as: Crown

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Silver
Jewels
18j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1974

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