Seiko Cal. 4540 - 925

The 4540-925 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-70212e67e272]

Also known as: Rally, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1980

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