Seiko Cal. 0728 - 904

The Seiko 0728-904 represents an important milestone in Seiko's 1993 lineup. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-988d181579a0]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1993

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