Seiko Cal. 6311 - 911

The Seiko 6311-911 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-d49d67f28503]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1971

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