Hamilton Khaki Navy Scuba QuartzvsTissot Rockwatch

The Hamilton Khaki Navy Scuba Quartz is noted for its 37mm case size, matte green dial, and aluminum bezel insert, offering 100m water resistance and a green NATO strap. It is powered by an ETA F06.105 quartz movement with an extended battery life of up to 94 months, and is priced at $545. One owner questions its value proposition based on significant price differences between regions. On balance, the Hamilton Khaki Navy Scuba Quartz is seen as a functional quartz dive watch with a notable battery life, though its value is debated by some owners.

The Tissot Rockwatch is widely praised for its innovative use of solid Swiss granite for the case and dial, with each piece featuring a unique pattern derived from materials like the Jungfrau mountain. Reviewers highlight its quirky charm, tactile experience, and historical significance as a business success for Tissot during a difficult period. The 38mm case size and short lug-to-lug measurement contribute to its wearability. However, the included black leather strap is considered decent at best and could be improved. Overall, reviewers celebrate the Tissot Rockwatch for its unique material, historical importance, and distinctive aesthetic.