Seiko Cal. 7181 - 424

The 7181-424 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-936a573e3bd6]

Also known as: Samurai, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

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