Seiko Cal. 6312 - 143

The Seiko 6312-143 represents an important milestone in Seiko's 1981 lineup. It features a Navy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-5ea043e210ef]

Also known as: Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1981

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