Seiko Cal. 6391 - 436

Seiko 6391-436

This Spring Drive model from 1991 features a 44mm Two-Tone case. With its 22mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-1807dd19b851]

Also known as: Rally

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
44mm
Case Thickness
15.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
60m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1991

Related Models

seikata-wm-1807dd19b851