Seiko Cal. 4521 - 452

The 4521-452 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-5a034f7b38cb]

Also known as: Bellmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1984

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