Seiko Cal. 6613 - 405

The 6613-405 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6613 caliber with 31j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-2923d8601159]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1979

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