Seiko Cal. 6637 - 896

The 6637-896 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-7364f00321e1]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1995

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