Seiko Cal. 4518 - 290

The 4518-290 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-9b41becf4e70]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1988

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