OnTheDash®

The definitive guide to vintage
Heuer timepieces.

Chronographs
Solunagraph (Orvis)

Solunagraph (Orvis)

manual-wind, three-register chronograph, with a rotating dial (located at nine o'clock) to indicate daily high and low tides; housed in Autavia compressor case (Reference 2446C)

Orvis Solunagraph (Earlier)

First execution of Orvis Solunagraph uses Autavia 2446C (compressor) case and has polished steel hands; no waves (lines) on tide dial; MH bezel

Orvis Solunagraph (Later)

Second execution of Orvis Solunagraph uses Autavia 2446C (compressor) case and has white painted hands and lines (waves) on the tide dial; Bezel may be either MH (minutes / hours) or Tachymeter bezel, scale from 41 to 120 units per hour

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Solunagraph (Orvis)

Orvis Solunagraph (Earlier)

Orvis Solunagraph (Later)

Additional Information

Instructions for Orvis Solunagraph

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