Seiko Cal. 4436 - 140

This Quartz model from 1966 features a 41mm Hardlex-Coated Steel case. Powered by the 4436 caliber with 17j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-19d2415b2ac7]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1966

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