Seiko Cal. 3869 - 946

The Seiko 3869-946 represents an important milestone in Seiko's 1973 lineup. Powered by the 3869 caliber with 18j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-ca8bca98d979]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1973

Related Models

• Seiko 4432-374
• Seiko 5621-912
• Seiko 5224-870
• Seiko 6664-617
• Seiko 7017-169
• Seiko 0782-676
• Seiko 5241-751
• Seiko 6218-691
• Seiko 7134-315
• Seiko 3893-984
• Seiko 0711-192
• Seiko 3810-269