Seiko Cal. 5658 - 943

This Spring Drive model from 1997 features a 43mm Titanium case. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-f7cb19086686]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1997

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