Seiko Cal. 6638 - 130

The 6638-130 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6638 caliber with 32j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-c61f5b106efb]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

Related Models

• Seiko 4550-851
• Seiko 4529-415
• Seiko 6181-426
• Seiko 3848-172
• Seiko 4593-601
• Seiko 5640-793
• Seiko 6684-346
• Seiko 5678-979
• Seiko 5290-988
• Seiko 4523-875
• Seiko 6180-721
• Seiko 6669-352