Seiko Cal. 3878 - 942

Seiko 3878-942

This Spring Drive model from 1972 features a 41mm PVD Black case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-8d214e802e60]

Also known as: Turtle, Sea Horse

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
8.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Green
Jewels
36j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1972

Related Models

seikata-wm-8d214e802e60