Seiko Cal. 5224 - 421

The 5224-421 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-970b301a38b3]

Also known as: Helmet, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1976

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