Seiko Cal. 6312 - 740

The Seiko 6312-740 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-418c0822ec14]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1974

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