Seiko Cal. 7018 - 391

The Seiko 7018-391 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-2f6977d60d7d]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1971

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