Seiko Cal. 7018 - 104

The 7018-104 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7018 caliber with 21j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-a9bfc24e96fa]

Also known as: Tuna, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1977

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