Seiko Cal. 0731 - 191

This Automatic model from 1966 features a 44mm Hardlex-Coated Steel case. Powered by the 0731 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-0b8b20ce3718]

Also known as: Emperor, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1966

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