Seiko Cal. 7183 - 423

Seiko 7183-423

The Seiko 7183-423 represents an important milestone in Seiko's 1978 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-33f3d2574a43]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
10.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
180m
Dial Color
White
Jewels
35j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1978

Related Models

seikata-wm-33f3d2574a43