Seiko Cal. 0731 - 430

The Seiko 0731-430 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ea392eacb700]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1970

Related Models

• Seiko 6348-372
• Seiko 4522-810
• Seiko 6181-681
• Seiko 6238-767
• Seiko 6333-884
• Seiko 0780-822
• Seiko 6260-463
• Seiko 6620-593
• Seiko 4556-164
• Seiko 6221-155
• Seiko 7021-543
• Seiko 7072-507