Seiko Cal. 5691 - 921

The 5691-921 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-76fdc5e6d46d]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1965

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