Seiko Cal. 6311 - 670

Released in 1965, the Cal. 6311 with design code 670 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-f46d321c0a37]

Also known as: Emperor, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1965

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