Seiko Cal. 3878 - 775

The 3878-775 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3878 caliber with 27j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-cd13f0ae8da5]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1973

Related Models

• Seiko 5293-531
• Seiko 6227-921
• Seiko 4556-114
• Seiko 6379-731
• Seiko 7148-967
• Seiko 6131-862
• Seiko 4441-860
• Seiko 0737-861
• Seiko 4531-933
• Seiko 6271-196
• Seiko 6332-801
• Seiko 0758-861