Seiko Cal. 3821 - 667

Seiko 3821-667

This Hand-Winding model from 1973 features a 43mm Titanium case. Powered by the 3821 caliber with 26j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-7ac1a0e52eee]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
43mm
Case Thickness
8.7mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Cream
Jewels
26j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1973

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