Seiko Cal. 5684 - 831

This Solar model from 1992 features a 46mm Titanium case. Powered by the 5684 caliber with 25j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-94ed08975f5c]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1992

Related Models

• Seiko 0788-775
• Seiko 4568-612
• Seiko 6349-934
• Seiko 7149-217
• Seiko 7113-703
• Seiko 6633-782
• Seiko 6371-668
• Seiko 7179-755
• Seiko 7074-993
• Seiko 6289-486
• Seiko 7047-504
• Seiko 6628-565