Seiko Cal. 7031 - 434

The 7031-434 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-2ca115dd30ac]

Also known as: Tuna, Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1976

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