Seiko Cal. 0718 - 646

The 0718-646 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-4de6cc42e9dd]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1979

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