Seiko Cal. 3827 - 999

The Seiko 3827-999 represents an important milestone in Seiko's 1983 lineup. Powered by the 3827 caliber with 18j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-8ec1f27e0183]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1983

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