Seiko Cal. 3821 - 677

The Seiko 3821-677 represents an important milestone in Seiko's 1982 lineup. With its 19mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-9b7c63fd06b7]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1982

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