Seiko Cal. 5656 - 866

The Seiko 5656-866 represents an important milestone in Seiko's 1977 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-fc832bcff953]

Also known as: Silverwave, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1977

Related Models

• Seiko 6343-916
• Seiko 5243-178
• Seiko 4467-260
• Seiko 6620-886
• Seiko 5297-274
• Seiko 3851-710
• Seiko 4430-608
• Seiko 7124-713
• Seiko 3840-211
• Seiko 5628-708
• Seiko 3894-321
• Seiko 7199-693