Seiko Cal. 6311 - 301

The Seiko 6311-301 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-a9df27598103]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1971

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