Seiko Cal. 7018 - 420

The Seiko 7018-420 represents an important milestone in Seiko's 1979 lineup. Powered by the 7018 caliber with 20j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-293e0e077bc1]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1979

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