Seiko Cal. 6311 - 970

The Seiko 6311-970 represents an important milestone in Seiko's 1967 lineup. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-28ebf7c9d2ac]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1967

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