Seiko Cal. 6312 - 731

The Seiko 6312-731 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-54155805e40d]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

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