Seiko Cal. 5639 - 785

The Seiko 5639-785 represents an important milestone in Seiko's 1998 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-0e924a87e99e]

Also known as: Sumo, Goldfeather

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1998

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