Seiko Cal. 6391 - 685

Seiko 6391-685

This Automatic model from 1970 features a 41mm Gold-Plated case. Powered by the 6391 caliber with 33j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-1f71a61e6bd2]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
8.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Black
Jewels
33j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1970

Related Models

seikata-wm-1f71a61e6bd2