Seiko Cal. 4523 - 737

This Quartz model from 1971 features a 34mm Titanium case. Powered by the 4523 caliber with 30j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-24787b1d7e40]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1971

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