Seiko Cal. 6390 - 257

Seiko 6390-257

This Automatic model from 1992 features a 41mm Gold-Plated case. Powered by the 6390 caliber with 23j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-cec80a3a89f3]

Also known as: Bellmatic, World Timer

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Burgundy
Jewels
23j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1992

Related Models

seikata-wm-cec80a3a89f3