Seiko Cal. 6661 - 507

Seiko 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

seikata-wm-b2b22b377be2