BULOVA 666FEET Diver model # "511240" case ref# 386 circa: 1964 (M4) Sometimes informally referred to as a "pre-Snorkel," this model is officially categorized as a Bulova Snorkel , marking the beginning of the series. It is part of Bulova’s early "Snorkel

BULOVA SNORKEL 666FEET Oceanographer series variant G with safety red seconds pylon Swiss mvmnt. cal.# 11BLACD @41MM minus crown case ref.# 714 circa: 1970 (N0)

BENRUS SEALORD ref.# 7092 BULOVA SNORKEL J ZODIAC AEROSPACE GMT

BULOVA 666 FEET Diver Snorkel series variant J case ref.# 608 17 Jewel 11ALAC Bulova Swiss in-house automatic/manual wind circa: 1967 [M7] one year production run only

Bulova Watch Co. SUPER-WATERPROOF 666ft. ca. 1967 [ M7 ] Case ref#: - 608 Crystal ref#: - 608AW Crown ref#: - 342W Caseback gasket ref#: G801 Bezel ref# - B152 Bezel Spring ref#: - BS152 Mvmnt: 11ALAC 17 jewel automatic VARIANT(s): SNOR$KEL J - Dial ref#

1970 BULOVA SNORKEL 666ft. Oceanographer series variant G with red seconds pylon

BULOVA SNORKEL 666FEET Diver model # "511240" case ref# 386

BULOVA Snorkel G CITIZEN 52-0110 Challenge Diver

1969 (M9) BULOVA SNORKEL 666 FEET Oceanographer series variant "G" case ref.# 714 @ 41MM minus crown CITIZEN 52-0110 Challenge 150M Diver dial type-1 circa: 1977