Seiko Cal. 5691 - 364

This Automatic model from 1976 features a 34mm Two-Tone case. Powered by the 5691 caliber with 23j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-92ec680054a9]

Also known as: Turtle, Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1976

Related Models

• Seiko 6115-430
• Seiko 6624-227
• Seiko 4521-371
• Seiko 5210-823
• Seiko 4482-548
• Seiko 6666-997
• Seiko 5276-728
• Seiko 6641-677
• Seiko 4595-936
• Seiko 4552-711
• Seiko 6342-145
• Seiko 6696-600