Seiko Cal. 7031 - 550

The Seiko 7031-550 represents an important milestone in Seiko's 1980 lineup. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-2baf053c485f]

Also known as: Bullhead, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1980

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