Seiko Cal. 6311 - 901

This Automatic model from 1973 features a 43mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-6e4d96eec8aa]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1973

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