Seiko Cal. 6151 - 781

The Seiko 6151-781 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-b275e1812c3d]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1972

Related Models

• Seiko 5284-423
• Seiko 6313-953
• Seiko 6621-671
• Seiko 6129-270
• Seiko 6140-353
• Seiko 6344-255
• Seiko 3855-164
• Seiko 6329-895
• Seiko 7184-912
• Seiko 7182-237
• Seiko 5615-102
• Seiko 0762-666