Seiko Cal. 4489 - 727

This Quartz model from 1971 features a 36mm Titanium case. It features a Champagne dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-7e708e7fbf8b]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1971

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