Seiko Cal. 3884 - 725

The Seiko 3884-725 represents an important milestone in Seiko's 1972 lineup. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-7ca775cbed9d]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1972

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