Seiko Cal. 7163 - 978

This Quartz model from 1967 features a 40mm Hardlex-Coated Steel case. Powered by the 7163 caliber with 35j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-b58d4a1a45a4]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1967

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