Seiko Cal. 7018 - 340

This Quartz model from 1981 features a 45mm Two-Tone case. Powered by the 7018 caliber with 23j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-9ea1d9e2adc6]

Also known as: Monster, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1981

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