Seiko Cal. 4540 - 150

The 4540-150 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-0a5ba7a11151]

Also known as: UFO, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1982

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