Seiko Cal. 6643 - 140

The 6643-140 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-4988f7ac8c5b]

Also known as: Rally, Goldfeather

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1993

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