Seiko Cal. 3896 - 821

The Seiko 3896-821 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-15d1fc4c9f5e]

Also known as: Sumo, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1976

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