Seiko Cal. 3872 - 730

The Seiko 3872-730 represents an important milestone in Seiko's 1992 lineup. With its 18mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-0aec69cd0a1c]

Also known as: Sumo, Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1992

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