Seiko Cal. 4490 - 972

This Spring Drive model from 1992 features a 37mm Titanium case. With its 22mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-edab2ac427fd]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1992

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