Seiko Cal. 6391 - 507

Seiko 6391-507

This Hand-Winding model from 1969 features a 36mm Two-Tone case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-81052018b158]

Also known as: Bullhead, Crown

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
36mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
Champagne
Jewels
26j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1969

Related Models

seikata-wm-81052018b158