Seiko Cal. 6311 - 784

The Seiko 6311-784 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-fc414dc341c3]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1972

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