Seiko Cal. 7018 - 987

The Seiko 7018-987 represents an important milestone in Seiko's 1969 lineup. Powered by the 7018 caliber with 32j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-07858beb42c3]

Also known as: Bullhead, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1969

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