Seiko Cal. 3847 - 371

This Automatic model from 1975 features a 40mm Titanium case. Powered by the 3847 caliber with 21j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-df875ca2bc55]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1975

Related Models

• Seiko 6121-756
• Seiko 6377-345
• Seiko 5253-158
• Seiko 6255-923
• Seiko 6249-362
• Seiko 6689-623
• Seiko 0769-173
• Seiko 5273-852
• Seiko 7033-586
• Seiko 6216-842
• Seiko 5299-459
• Seiko 4491-116