Seiko Cal. 7031 - 526

Released in 1967, the Cal. 7031 with design code 526 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-3cacf0db4d6c]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1967

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