Seiko Cal. 5688 - 291

This Automatic model from 1989 features a 46mm PVD Black case. Powered by the 5688 caliber with 31j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-6691086d530c]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1989

Related Models

• Seiko 5665-301
• Seiko 5276-193
• Seiko 5290-379
• Seiko 6346-193
• Seiko 7183-936
• Seiko 6240-643
• Seiko 6242-895
• Seiko 6221-575
• Seiko 6292-127
• Seiko 6113-294
• Seiko 6134-648
• Seiko 4582-428