Seiko Cal. 7138 - 539

The Seiko 7138-539 represents an important milestone in Seiko's 1967 lineup. It features a Cream dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-c7bbc0e1716a]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1967

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