Seiko Cal. 7031 - 971

The Seiko 7031-971 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-5b305b90a95b]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1983

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