Seiko Cal. 4536 - 663

The 4536-663 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-2bb1e1cc47c6]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1983

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