Seiko Cal. 6643 - 915

The 6643-915 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-f5ee38ef1ca5]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1980

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