Seiko Cal. 5684 - 621

The 5684-621 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-5f9520db5ab8]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1972

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