Seiko Cal. 4438 - 667

Seiko 4438-667

This Automatic model from 1977 features a 35mm Gold-Plated case. Powered by the 4438 caliber with 20j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-0b3c37bbd0de]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1977

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