Seiko Cal. 6642 - 784

Released in 1985, the Cal. 6642 with design code 784 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-76632ced72a5]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1985

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