Seiko Cal. 3843 - 991

The Seiko 3843-991 represents an important milestone in Seiko's 1969 lineup. Powered by the 3843 caliber with 21j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-aa956da8be26]

Also known as: Monster, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1969

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