Seiko Cal. 3864 - 843

Released in 1977, the Cal. 3864 with design code 843 was part of Seiko's domestic market collection. Powered by the 3864 caliber with 24j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-60b8d2a2f2b3]

Also known as: UFO, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1977

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