Seiko Cal. 3828 - 102

The Seiko 3828-102 represents an important milestone in Seiko's 1990 lineup. Powered by the 3828 caliber with 21j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-a1195c9f43aa]

Also known as: Bullhead, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1990

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