Seiko Cal. 5691 - 740

This Hand-Winding model from 1972 features a 46mm Stainless Steel case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-9c29f6ae4710]

Also known as: Sumo, Shogun

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1972

Related Models

• Seiko 6388-198
• Seiko 6349-246
• Seiko 3850-802
• Seiko 0735-585
• Seiko 6185-769
• Seiko 4536-328
• Seiko 6348-162
• Seiko 6343-768
• Seiko 0762-727
• Seiko 4575-588
• Seiko 7036-305
• Seiko 5665-769