Seiko Cal. 4523 - 478

This Spring Drive model from 1984 features a 42mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-733afb14627a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1984

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