Seiko Cal. 5691 - 920

This Hand-Winding model from 1991 features a 38mm Stainless Steel case. Powered by the 5691 caliber with 23j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-387c209f8094]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1991

Related Models

• Seiko 0755-523
• Seiko 3837-636
• Seiko 4453-939
• Seiko 6310-411
• Seiko 7173-964
• Seiko 6219-675
• Seiko 6365-938
• Seiko 6174-181
• Seiko 6250-339
• Seiko 6166-875
• Seiko 7158-523
• Seiko 6328-987