Seiko Cal. 5639 - 917

The 5639-917 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-ebc0def31631]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1977

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