Seiko Cal. 7018 - 638

The Seiko 7018-638 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d9f36113a856]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1971

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