Seiko Cal. 6311 - 591

The Seiko 6311-591 represents an important milestone in Seiko's 1968 lineup. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-fd11ef477d0f]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1968

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