Seiko Cal. 6231 - 579

The Seiko 6231-579 represents an important milestone in Seiko's 1975 lineup. Powered by the 6231 caliber with 26j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-81b0db9f990d]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1975

Related Models

• Seiko 7199-229
• Seiko 7169-185
• Seiko 0763-749
• Seiko 3896-581
• Seiko 6372-771
• Seiko 6684-390
• Seiko 4545-534
• Seiko 5248-484
• Seiko 7186-622
• Seiko 0713-570
• Seiko 4479-327
• Seiko 6610-994