Seiko Cal. 3878 - 162

This Automatic model from 1967 features a 39mm PVD Black case. Powered by the 3878 caliber with 17j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-33a1769e618d]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1967

Related Models

• Seiko 6281-604
• Seiko 4421-955
• Seiko 6216-638
• Seiko 6651-583
• Seiko 6645-861
• Seiko 4488-543
• Seiko 6280-366
• Seiko 0748-656
• Seiko 5237-561
• Seiko 6357-979
• Seiko 3891-636
• Seiko 7019-940