The 'Triple Six' Sea-Dweller 16660 was the inaugural model in the line to feature sapphire crystal. It transitioned from early matte dials to later gloss versions before being superseded by the 16600 in 1988. This particular piece displays a Mark 2 matte dial, distinguishable by the alignment of the 'F' in 'Feet' with the 'V' in 'Superlative'.
Shape
Round
Lug Distance
20.00 mm
Material
Stainless Steel
Glass
Sapphire
Thickness
14.80 mm
Diameter
40.00 mm
Water Resistance
1220.00 m
Dial Color
Black
