Seiko Cal. 4439 - 299

This Quartz model from 1966 features a 40mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-ebfb0eb6394d]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1966

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