Seiko Cal. 7031 - 572

The Seiko 7031-572 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-9518da3231c0]

Also known as: Tuna, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1966

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