Seiko Cal. 7178 - 352

This Quartz model from 1974 features a 39mm Hardlex-Coated Steel case. Powered by the 7178 caliber with 27j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-ae88996cb422]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1974

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