Seiko Cal. 5640 - 589

The 5640-589 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-1dcb6565ce68]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1981

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