Seiko Cal. 5684 - 450

This Quartz model from 1967 features a 38mm Hardlex-Coated Steel case. Powered by the 5684 caliber with 35j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-a6f4161cb9b9]

Also known as: Helmet, Rally

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1967

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