Seiko Cal. 5673 - 880

This Hand-Winding model from 1978 features a 45mm Hardlex-Coated Steel case. Powered by the 5673 caliber with 22j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-cb830ae118a8]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1978

Related Models

• Seiko 4592-256
• Seiko 6325-751
• Seiko 3864-606
• Seiko 4442-356
• Seiko 6391-963
• Seiko 6295-524
• Seiko 5240-520
• Seiko 6233-961
• Seiko 6358-615
• Seiko 0756-901
• Seiko 4535-301
• Seiko 6169-397