Seiko Cal. 6650 - 104

The 6650-104 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6650 caliber with 28j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-8fcf8cdec602]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1997

Related Models

• Seiko 3819-733
• Seiko 5672-627
• Seiko 6139-759
• Seiko 5298-952
• Seiko 5235-223
• Seiko 3849-764
• Seiko 7159-993
• Seiko 6368-652
• Seiko 7059-807
• Seiko 6216-157
• Seiko 5296-866
• Seiko 6115-745