Seiko Cal. 3864 - 445

Seiko 3864-445

The Seiko 3864-445 represents an important milestone in Seiko's 1976 lineup. Powered by the 3864 caliber with 21j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-b48c7d5b755b]

Also known as: Bullhead, Rally

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1976

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