Seiko Cal. 5688 - 471

This Spring Drive model from 1978 features a 41mm Stainless Steel case. Powered by the 5688 caliber with 27j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-db53af61af21]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1978

Related Models

• Seiko 3813-947
• Seiko 7129-157
• Seiko 5616-954
• Seiko 5224-931
• Seiko 3848-377
• Seiko 4594-579
• Seiko 4420-566
• Seiko 6267-810
• Seiko 7195-612
• Seiko 3874-247
• Seiko 5217-284
• Seiko 5685-316