Seiko Cal. 4523 - 978

The Seiko 4523-978 represents an important milestone in Seiko's 1981 lineup. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-c84baa41010d]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1981

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