Seiko Cal. 3870 - 647

Seiko 3870-647

This Kinetic model from 1981 features a 37mm PVD Black case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-26aa46488a25]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
37mm
Case Thickness
13.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
70m
Dial Color
White
Jewels
29j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1981

Related Models

seikata-wm-26aa46488a25