Seiko Cal. 3828 - 920

The Seiko 3828-920 represents an important milestone in Seiko's 1983 lineup. Powered by the 3828 caliber with 31j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-e02967ad75b2]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1983

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