Seiko Cal. 5639 - 797

The Seiko 5639-797 represents an important milestone in Seiko's 1988 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-d3e88166f941]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1988

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