Seiko Cal. 6313 - 880

The 6313-880 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-22a6f62eb378]

Also known as: UFO, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1981

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