Seiko Cal. 6311 - 574

Released in 1967, the Cal. 6311 with design code 574 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-2794a7fa060b]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1967

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