Seiko Cal. 5639 - 758

Released in 1990, the Cal. 5639 with design code 758 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-35d65f3dceca]

Also known as: UFO, Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1990

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