Seiko Cal. 6311 - 155

The Seiko 6311-155 represents an important milestone in Seiko's 1974 lineup. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-e77c35b7936f]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1974

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