Seiko Cal. 3865 - 909

Seiko 3865-909

This Automatic model from 1984 features a 42mm PVD Black case. Powered by the 3865 caliber with 22j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-6dfd456a989b]

Also known as: Tuna, Golden Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
42mm
Case Thickness
8.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Cream
Jewels
22j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1984

Related Models

seikata-wm-6dfd456a989b