Seiko Cal. 6318 - 420

The 6318-420 is a sought-after Kinetic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-05b1d6939a1f]

Also known as: Sumo, Bullhead

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1975

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