Seiko Cal. 5665 - 363

Seiko 5665-363

This Automatic model from 1977 features a 38mm Gold-Plated case. Powered by the 5665 caliber with 36j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-6696292faae3]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
50m
Dial Color
Cream
Jewels
36j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1977

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