Seiko Cal. 6311 - 571

The 6311-571 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-bb042f5e3d9b]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

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