Seiko Cal. 5688 - 428

Released in 1980, the Cal. 5688 with design code 428 was part of Seiko's domestic market collection. Powered by the 5688 caliber with 18j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-79528f1ae063]

Also known as: UFO, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1980

Related Models

• Seiko 6334-517
• Seiko 7195-936
• Seiko 3857-985
• Seiko 5642-361
• Seiko 4582-532
• Seiko 7035-299
• Seiko 6635-587
• Seiko 4550-647
• Seiko 5216-847
• Seiko 7016-761
• Seiko 6112-155
• Seiko 6391-403