Seiko Cal. 4427 - 154

This Quartz model from 1966 features a 36mm Stainless Steel case. Powered by the 4427 caliber with 30j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-cde2bf560646]

Also known as: UFO, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1966

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