Seiko Cal. 6311 - 140

The Seiko 6311-140 represents an important milestone in Seiko's 1982 lineup. With its 20mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-d77d59b6af75]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1982

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