Seiko Cal. 4431 - 290

This Quartz model from 1996 features a 38mm Stainless Steel case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-a9c609e571f4]

Also known as: Bullhead, UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1996

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