Seiko Cal. 4591 - 727

Seiko 4591-727

This Spring Drive model from 1991 features a 36mm PVD Black case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-76537b36c11a]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
36mm
Case Thickness
8.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Champagne
Jewels
26j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1991

Related Models

seikata-wm-76537b36c11a