Seiko Cal. 4593 - 172

Seiko 4593-172

The Seiko 4593-172 represents an important milestone in Seiko's 1973 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-03542d27572c]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
40mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
22j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1973

Related Models

seikata-wm-03542d27572c