Seiko Cal. 6242 - 566

The Seiko 6242-566 represents an important milestone in Seiko's 1971 lineup. Powered by the 6242 caliber with 17j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-eb825d8d8d86]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

Related Models

• Seiko 7156-509
• Seiko 6290-883
• Seiko 6679-367
• Seiko 7111-613
• Seiko 6157-549
• Seiko 4453-422
• Seiko 5232-318
• Seiko 5639-673
• Seiko 4447-649
• Seiko 3811-638
• Seiko 0756-135
• Seiko 4520-925