Seiko Cal. 5231 - 950

The Seiko 5231-950 represents an important milestone in Seiko's 1999 lineup. With its 19mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-1df68c9d6f14]

Also known as: Helmet, Goldfeather

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1999

Related Models

• Seiko 4545-274
• Seiko 4521-537
• Seiko 5262-870
• Seiko 5298-677
• Seiko 5624-902
• Seiko 6319-649
• Seiko 4535-196
• Seiko 6319-716
• Seiko 0712-848
• Seiko 7127-691
• Seiko 3832-474
• Seiko 6680-941