Seiko Cal. 6251 - 664

The 6251-664 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6251 caliber with 27j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-1f3aa800ecb7]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1965

Related Models

• Seiko 6133-400
• Seiko 6686-644
• Seiko 6269-905
• Seiko 6192-534
• Seiko 3815-404
• Seiko 7082-732
• Seiko 5650-221
• Seiko 7186-688
• Seiko 0794-144
• Seiko 5246-194
• Seiko 4549-367
• Seiko 5279-746