Seiko Cal. 0731 - 997

The Seiko 0731-997 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-badb9a00359f]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1989

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