Seiko Cal. 0731 - 705

Released in 1991, the Cal. 0731 with design code 705 was part of Seiko's domestic market collection. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ec0ca544096a]

Also known as: Bullhead, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1991

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