Seiko Cal. 6636 - 619

The 6636-619 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6636 caliber with 23j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-12556f374d93]

Also known as: Rally, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1977

Related Models

• Seiko 4468-968
• Seiko 6684-964
• Seiko 7185-107
• Seiko 5224-583
• Seiko 7186-989
• Seiko 6398-523
• Seiko 5683-484
• Seiko 7043-609
• Seiko 6327-354
• Seiko 7140-469
• Seiko 6394-222
• Seiko 7051-347