Seiko Cal. 4427 - 763

Seiko 4427-763

This Automatic model from 1977 features a 46mm Gold-Plated case. Powered by the 4427 caliber with 32j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-d532133be5af]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Burgundy
Jewels
32j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1977

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