Seiko Cal. 6613 - 773

The 6613-773 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6613 caliber with 36j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-c6b92f229877]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1965

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