Seiko Cal. 6311 - 156

The Seiko 6311-156 represents an important milestone in Seiko's 1979 lineup. With its 18mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-bc38fc786079]

Also known as: World Timer, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1979

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