BULOVA 666FEET Diver ref # "511240" with applied logo and silver toned sunburst tritium dial
case ref# 386 only, no dash and an additional number these case ref. were used for later models
Water Resistance: 666 feet (203 meters)
circa: 1964 [M4]
Case: Stainless steel, with a case back interior signed "STAINLESS STEEL SWISS 386 - stamped M4 [DATE CODE]."
Movement: Bulova Swiss in-house Self-winding movement model
11ALACD stamped - M4 [date code], 17 jewels, and a Kif-Elastor shock protection system. The movement has a frequency of 18,000 A/h and a power reserve of 42 hours.
Dial: Silver toned Sunburst dial, with applied Bulova logo
Crystal: 386 AWD, 386-1AWD, and or 386-3AWD with Recessed Date Magnifier (no protrusion)
Crown: 386-3W watertight (old term: waterproof) for diver's watch.
bracelet / strap ...
18MM JB Champion USA BULLET bracelet
16-19MM Long Horn (curved end) JB Champion USA NASA bracelet (not komfit)
18MM DUCHESS USA solid links beads of rice bracelet
18MM BEST FIT SWISS TROPIC MOD DEP diver strap