Seiko Cal. 5656 - 564

This Automatic model from 1973 features a 35mm Two-Tone case. Powered by the 5656 caliber with 22j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-4555a703b301]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1973

Related Models

• Seiko 6273-591
• Seiko 6390-987
• Seiko 5273-635
• Seiko 4583-217
• Seiko 7152-238
• Seiko 5671-148
• Seiko 4598-696
• Seiko 6645-191
• Seiko 4479-691
• Seiko 6383-398
• Seiko 3832-558
• Seiko 5634-825