Seiko Cal. 6640 - 107

The 6640-107 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-b43fda09ac7e]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1990

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