Seiko Cal. 6661 - 705

The 6661-705 is a sought-after Solar piece from Seiko's golden era. Powered by the 6661 caliber with 19j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-86bf11f9484d]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1992

Related Models

• Seiko 0779-890
• Seiko 6315-441
• Seiko 5671-956
• Seiko 6329-928
• Seiko 6176-755
• Seiko 5645-685
• Seiko 4585-928
• Seiko 6646-825
• Seiko 4495-539
• Seiko 6189-225
• Seiko 7079-679
• Seiko 6312-335