Seiko Cal. 3870 - 780

Seiko 3870-780

This Hand-Winding model from 1988 features a 40mm PVD Black case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-4a73cc2b3118]

Also known as: Bellmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
8.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Cream
Jewels
31j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1988

Related Models

seikata-wm-4a73cc2b3118