Seiko Cal. 7013 - 439

The 7013-439 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7013 caliber with 25j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-908364abeaef]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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