Seiko Cal. 3872 - 506

The Seiko 3872-506 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-6afba50c4bd8]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1983

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