Seiko Cal. 6312 - 770

The Seiko 6312-770 represents an important milestone in Seiko's 1978 lineup. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-84779f248f16]

Also known as: World Timer, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

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