Seiko Cal. 6318 - 498

This Spring Drive model from 1971 features a 44mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-44356ff331fd]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1971

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