Seiko Cal. 4438 - 764

Seiko 4438-764

This Automatic model from 1985 features a 35mm Hardlex-Coated Steel case. Powered by the 4438 caliber with 32j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-af6f98ff0f08]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
15.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Green
Jewels
32j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1985

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