Seiko Cal. 6231 - 290

The 6231-290 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6231 caliber with 32j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-0d9553fc6cef]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1979

Related Models

• Seiko 4591-296
• Seiko 6658-953
• Seiko 0770-232
• Seiko 5273-804
• Seiko 0750-158
• Seiko 3816-533
• Seiko 6319-730
• Seiko 4534-131
• Seiko 7156-746
• Seiko 4475-614
• Seiko 7062-303
• Seiko 4562-233