Seiko Cal. 6311 - 440

The Seiko 6311-440 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-db98f9cc08f4]

Also known as: Sea Horse, Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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