Seiko Cal. 3878 - 750

Seiko 3878-750

The 3878-750 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-5c2f7494c12f]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Green
Jewels
34j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1978

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