A full service instrument shop specializing in marine compasses, weather instruments, spotting scopes, binoculars, telescopes, clocks, barometers, custom weather stations. Our service department is unmatched in the fields of compass repair, clock and barometer repair.


Click to enlargeMaximum Harbormaster

For East Coast yachtsmen and fishermen, the tide can be as important as time itself. The harbormaster tide clock has a patented quartz movement, powered for over a year by a single AA battery. Simple mounting system makes it easy to remove for battery replacement or security. Mantle mount available for an additional $50.00. Dials available in silver or black, cases available in brass, chrome and satin nickel, for matching instruments type "maximum" into our search products box. For best price call 781-585-2100 (Monday-Friday 12:00-5:00).


mhbRegular price: $175.00Sale price: $150.00Case:  Dial: 

1-Instrument Panel1-Instrument PanelBeautifully finished solid wood panels pre-drilled for a single Maximum instrument. A key-hole slot is routered in the back for easy wall mounting. Dimensions 8" x 8"

P1$25.00Wood: 
Maximum Mantle MountMaximum Mantle MountSolid wood mantle mount pre-drilled to accept any single Maximum instrument. Dimensions: 8 1/2" high x 10" wide

MM$50.00Wood: