FS: Seiko "BellMatic" Mechanical Alarm Watch 4006-6011 Great Condition on Bracelet

For sale Seiko Vintage Automatic Winding Mechanical Alarm watch dated June 1971. Reference 4006-6011. Horseshoe case back "RESIST". Gorgeous linen dial and hands. Case has minor life marks generally overall excellent condition. Case retains the original factory radial brushing and sharp edge lines. Crystal is flawless. 4006A movement is automatic winding only, meanwhile, the alarm mechanism is manual winding only. Movement runs strong and keeps great time. See timegrapher photo. Mech