Seiko Cal. 7031 - 538

The Seiko 7031-538 represents an important milestone in Seiko's 1965 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-170824254b47]

Also known as: Helmet, Navigator

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1965

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