Seiko Cal. 3872 - 389

The 3872-389 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3872 caliber with 29j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-7a3155754b1a]

Also known as: Bellmatic, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

Related Models

• Seiko 5287-475
• Seiko 5635-828
• Seiko 4550-985
• Seiko 6331-113
• Seiko 6386-209
• Seiko 7125-418
• Seiko 7022-121
• Seiko 6111-208
• Seiko 7142-671
• Seiko 7028-593
• Seiko 6670-699
• Seiko 6692-285