Seiko Cal. 6315 - 913

The 6315-913 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6315 caliber with 18j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-c856cc80555c]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1979

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