Seiko Cal. 6656 - 309

Released in 1972, the Cal. 6656 with design code 309 was part of Seiko's domestic market collection. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-db91bfe26426]

Also known as: Shogun, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1972

Related Models

• Seiko 7124-930
• Seiko 4539-325
• Seiko 0772-588
• Seiko 6643-524
• Seiko 7141-778
• Seiko 5688-818
• Seiko 6667-910
• Seiko 7113-668
• Seiko 4519-710
• Seiko 4443-357
• Seiko 4460-856
• Seiko 3865-133