Seiko Cal. 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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