Seiko Cal. 6655 - 426

The Seiko 6655-426 represents an important milestone in Seiko's 1966 lineup. Powered by the 6655 caliber with 25j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-70c2d3a9aec4]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1966

Related Models

• Seiko 6630-950
• Seiko 7056-535
• Seiko 5614-828
• Seiko 4411-871
• Seiko 6179-115
• Seiko 7142-746
• Seiko 6366-830
• Seiko 6128-705
• Seiko 7125-173
• Seiko 6283-327
• Seiko 6296-164
• Seiko 4487-410