Seiko Cal. 5668 - 887

This Solar model from 1987 features a 36mm PVD Black case. Powered by the 5668 caliber with 29j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-e96b26fec330]

Also known as: Sumo, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1987

Related Models

• Seiko 4467-647
• Seiko 4413-977
• Seiko 5614-906
• Seiko 3867-575
• Seiko 6399-502
• Seiko 5228-255
• Seiko 6254-310
• Seiko 6653-203
• Seiko 4552-425
• Seiko 3874-257
• Seiko 4594-145
• Seiko 7198-320