Seiko Cal. 3821 - 547

The Seiko 3821-547 represents an important milestone in Seiko's 1971 lineup. Powered by the 3821 caliber with 22j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-05ce2d1b6477]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1971

Related Models

• Seiko 5661-794
• Seiko 7197-993
• Seiko 6169-550
• Seiko 4571-935
• Seiko 7136-865
• Seiko 7117-313
• Seiko 3855-348
• Seiko 3861-338
• Seiko 6288-670
• Seiko 6141-831
• Seiko 6345-432
• Seiko 7052-893