Seiko Cal. 3878 - 360

The 3878-360 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-1fb11412fed1]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1984

Related Models

• Seiko 6613-395
• Seiko 6155-848
• Seiko 7030-250
• Seiko 3890-538
• Seiko 5230-953
• Seiko 6176-266
• Seiko 7127-415
• Seiko 7017-919
• Seiko 4492-481
• Seiko 6637-338
• Seiko 3883-340
• Seiko 5283-511