Seiko Cal. 6311 - 830

The Seiko 6311-830 represents an important milestone in Seiko's 1967 lineup. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-5c20daa7291e]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1967

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