Seiko Cal. 6613 - 239

The 6613-239 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6613 caliber with 26j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-489c1be39499]

Also known as: Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1978

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