Seiko Cal. 6635 - 139

The 6635-139 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-34d815b7f520]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1987

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