Seiko Cal. 5691 - 688

This Solar model from 1968 features a 41mm Gold-Plated case. Powered by the 5691 caliber with 34j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-87504be76cf5]

Also known as: Shogun, Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1968

Related Models

• Seiko 7191-767
• Seiko 7157-763
• Seiko 3866-464
• Seiko 7010-610
• Seiko 7140-383
• Seiko 6682-560
• Seiko 4454-699
• Seiko 7114-415
• Seiko 6141-947
• Seiko 4472-538
• Seiko 5618-796
• Seiko 4560-127