Seiko Cal. 5231 - 745

This Automatic model from 1991 features a 40mm Gold-Plated case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-609d056ef7ba]

Also known as: World Timer, Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1991

Related Models

• Seiko 7184-855
• Seiko 4513-248
• Seiko 6385-362
• Seiko 6283-259
• Seiko 7026-143
• Seiko 6338-257
• Seiko 6266-927
• Seiko 6215-926
• Seiko 6319-954
• Seiko 5276-234
• Seiko 4512-907
• Seiko 3873-135