Seiko Cal. 6661 - 507

The 6661-507 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6661 caliber with 20j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-b2b22b377be2]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1995

Related Models

• Seiko 5250-448
• Seiko 5260-810
• Seiko 3849-382
• Seiko 7064-173
• Seiko 5658-980
• Seiko 4587-535
• Seiko 0762-438
• Seiko 6159-478
• Seiko 0759-845
• Seiko 6692-168
• Seiko 0763-366
• Seiko 6186-439