Seiko Cal. 3824 - 641

The Seiko 3824-641 represents an important milestone in Seiko's 1971 lineup. Powered by the 3824 caliber with 23j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-0aea5b682099]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1971

Related Models

• Seiko 4489-889
• Seiko 5686-587
• Seiko 3898-254
• Seiko 4524-771
• Seiko 5214-920
• Seiko 3847-361
• Seiko 3819-653
• Seiko 6118-737
• Seiko 5671-228
• Seiko 6118-475
• Seiko 3888-285
• Seiko 7031-592