Seiko Cal. 6391 - 520

Seiko 6391-520

The Seiko 6391-520 represents an important milestone in Seiko's 1983 lineup. Powered by the 6391 caliber with 20j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-8206fc96022b]

Also known as: Sportsmatic, Emperor

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
34mm
Case Thickness
9.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
60m
Dial Color
Green
Jewels
20j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1983

Related Models

seikata-wm-8206fc96022b