Seiko Cal. 5642 - 720

The 5642-720 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-5227ee2008b8]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1981

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