Seiko Cal. 3814 - 864

Seiko 3814-864

The 3814-864 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3814 caliber with 21j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-7988b1af4c4e]

Also known as: Monster, UFO

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Navy
Jewels
21j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1972

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