Seiko Cal. 3821 - 366

This Automatic model from 1981 features a 40mm Titanium case. Powered by the 3821 caliber with 35j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-33cf343c0dd5]

Also known as: Bellmatic, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1981

Related Models

• Seiko 7124-898
• Seiko 5690-123
• Seiko 6326-962
• Seiko 6294-986
• Seiko 3834-277
• Seiko 5644-432
• Seiko 7015-712
• Seiko 5624-599
• Seiko 4420-303
• Seiko 5215-154
• Seiko 5641-923
• Seiko 6137-749