Seiko Cal. 0766 - 434

The Seiko 0766-434 represents an important milestone in Seiko's 1990 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-108e5d9729ab]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1990

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