Seiko Cal. 4426 - 393

This Spring Drive model from 1986 features a 39mm Titanium case. With its 19mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-5e7dc12ac93c]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1986

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