Seiko Cal. 6641 - 836

The 6641-836 is a sought-after Solar piece from Seiko's golden era. Powered by the 6641 caliber with 29j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-f339f8d350c0]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1966

Related Models

• Seiko 5613-769
• Seiko 3846-570
• Seiko 0755-168
• Seiko 4492-309
• Seiko 6646-437
• Seiko 4440-343
• Seiko 6622-112
• Seiko 5699-597
• Seiko 6119-982
• Seiko 7096-170
• Seiko 3819-823
• Seiko 5699-484