Seiko Cal. 5639 - 297

This Spring Drive model from 1977 features a 34mm Titanium case. It features a White dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-24e65e663d7d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1977

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