Seiko Cal. 5687 - 624

The 5687-624 is a sought-after Solar piece from Seiko's golden era. Powered by the 5687 caliber with 21j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-ca81efebd7fe]

Also known as: Shogun, Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

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