Seiko Cal. 6647 - 913

The 6647-913 is a sought-after Solar piece from Seiko's golden era. Powered by the 6647 caliber with 17j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-98f8d2b599ee]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1965

Related Models

• Seiko 5216-674
• Seiko 6315-405
• Seiko 4483-951
• Seiko 5651-950
• Seiko 4431-642
• Seiko 6370-889
• Seiko 6324-643
• Seiko 0710-168
• Seiko 4512-947
• Seiko 6339-905
• Seiko 6686-112
• Seiko 6241-212