Seiko Cal. 7166 - 428

This Automatic model from 1968 features a 35mm Hardlex-Coated Steel case. Powered by the 7166 caliber with 21j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-e16635fa74ed]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1968

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