Seiko Cal. 6140 - 636

Seiko 6140-636

This Quartz model from 1978 features a 37mm Two-Tone case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-04c18d575193]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Navy
Jewels
22j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1978

Related Models

seikata-wm-04c18d575193