Seiko Cal. 3820 - 649

Seiko 3820-649

This Kinetic model from 1981 features a 42mm Two-Tone case. Powered by the 3820 caliber with 23j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-89f673e09dde]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
8.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
150m
Dial Color
Cream
Jewels
23j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1981

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