Seiko Cal. 4518 - 183

This Spring Drive model from 1992 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-abdc640a1112]

Also known as: Monster, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1992

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