Seiko Cal. 6636 - 782

The Seiko 6636-782 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-3afa20b4dfa4]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1965

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