Seiko Cal. 5643 - 780

The 5643-780 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-c3881c6b006f]

Also known as: Crown, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1969

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