Seiko Cal. 0720 - 436

This Automatic model from 1982 features a 36mm Hardlex-Coated Steel case. Powered by the 0720 caliber with 20j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-fbdfe0424948]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1982

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