Seiko Cal. 7018 - 502

This Hand-Winding model from 1979 features a 34mm Two-Tone case. Powered by the 7018 caliber with 17j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-401c9b27a6d6]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1979

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