Seiko Cal. 6643 - 402

Released in 1973, the Cal. 6643 with design code 402 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-c52db3643bab]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1973

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