Seiko Cal. 3840 - 506

Seiko 3840-506

This Hand-Winding model from 1970 features a 40mm Stainless Steel case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0f2c28ac6878]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Black
Jewels
31j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1970

Related Models

seikata-wm-0f2c28ac6878