Seiko Cal. 3862 - 721

The Seiko 3862-721 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-8002039fb9b0]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1972

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