Seiko Cal. 6613 - 647

The 6613-647 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6613 caliber with 18j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-6cb96171a13c]

Also known as: Panda, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1966

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