Seiko Cal. 3873 - 448

The Seiko 3873-448 represents an important milestone in Seiko's 1967 lineup. Powered by the 3873 caliber with 31j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-dd1d55642bbc]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

Related Models

• Seiko 7138-752
• Seiko 7145-975
• Seiko 6245-938
• Seiko 3822-720
• Seiko 6314-249
• Seiko 3847-266
• Seiko 6322-723
• Seiko 7067-242
• Seiko 4423-194
• Seiko 7168-487
• Seiko 7183-139
• Seiko 5248-661