Seiko Cal. 6638 - 796

The 6638-796 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6638 caliber with 29j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-82909b2fbb40]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1998

Related Models

• Seiko 7076-664
• Seiko 6137-914
• Seiko 3877-505
• Seiko 7098-384
• Seiko 6367-666
• Seiko 4463-474
• Seiko 6341-980
• Seiko 5688-142
• Seiko 6289-814
• Seiko 7030-325
• Seiko 6212-880
• Seiko 4429-823