Seiko Cal. 4541 - 674

This Spring Drive model from 1983 features a 40mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-abb83697a9d5]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1983

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