Seiko Cal. 5656 - 306

The 5656-306 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5656 caliber with 19j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-f6944a328bf4]

Also known as: Rally, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1997

Related Models

• Seiko 6139-792
• Seiko 7198-372
• Seiko 7045-357
• Seiko 4488-753
• Seiko 7097-592
• Seiko 5651-214
• Seiko 7050-668
• Seiko 7055-861
• Seiko 6380-749
• Seiko 6276-226
• Seiko 5277-120
• Seiko 5216-863