Seiko Cal. 6391 - 611

Seiko 6391-611

The Seiko 6391-611 represents an important milestone in Seiko's 1966 lineup. Powered by the 6391 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-f62cf8e8ef14]

Also known as: Turtle, Monster

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
46mm
Case Thickness
14.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
White
Jewels
21j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1966

Related Models

seikata-wm-f62cf8e8ef14