Seiko Cal. 7031 - 122

The Seiko 7031-122 represents an important milestone in Seiko's 1981 lineup. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-ec2f07a19067]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1981

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