Seiko Cal. 7187 - 821

The 7187-821 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-226342b812dc]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1991

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