Seiko Cal. 5685 - 999

The Seiko 5685-999 represents an important milestone in Seiko's 1983 lineup. Powered by the 5685 caliber with 22j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-20e6a02e9200]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1983

Related Models

• Seiko 6372-461
• Seiko 6253-567
• Seiko 4549-643
• Seiko 4521-652
• Seiko 6617-448
• Seiko 4550-537
• Seiko 5628-355
• Seiko 7137-223
• Seiko 6638-351
• Seiko 7058-481
• Seiko 7188-510
• Seiko 6337-370