Seiko Cal. 6311 - 309

The 6311-309 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ed8cb8c86d3d]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1980

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