Seiko Cal. 5620 - 406

The 5620-406 is a sought-after Solar piece from Seiko's golden era. Powered by the 5620 caliber with 21j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-fae7f3e8b79f]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1966

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