Seiko Cal. 0731 - 190

Seiko 0731-190

This Hand-Winding model from 1978 features a 44mm PVD Black case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-abfb1a7056ea]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
44mm
Case Thickness
11.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
32j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1978

Related Models

seikata-wm-abfb1a7056ea