Seiko Cal. 3821 - 930

This Hand-Winding model from 1991 features a 40mm Gold-Plated case. Powered by the 3821 caliber with 31j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-99d7ea1c590a]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1991

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