Seiko Cal. 6643 - 290

The 6643-290 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-551cc76186bc]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1978

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