Seiko Cal. 4518 - 322

The 4518-322 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-67d230c53d72]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1993

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