Seiko Cal. 3843 - 578

This Spring Drive model from 1997 features a 36mm Hardlex-Coated Steel case. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-ea280c029998]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1997

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