Borealis Watch Co. SintravsHamilton Jazzmaster Power Reserve Auto

Borealis Watch Co. Sintra owners widely praise its well-executed design, featuring applied indices and a shimmering blue dial that some prefer over more expensive alternatives. The timepiece is noted for excellent build quality and high-end specifications for its price, including a Miyota 90S5 movement and a premium bracelet. One owner did not purchase due to its size not being 39mm or less, while the 90xx movements are considered reliable and accurate, though some find them noisy. On balance, owners rate the Borealis Watch Co. Sintra highly for its impressive design and build quality at its price point.

The Hamilton Jazzmaster Power Reserve Auto is praised by owners and reviewers for its value and history, featuring an 80-hour power reserve caliber H-13 movement. Owners note poor lume, easily scratched polished bezels, and a mineral crystal on the movement display. One owner suggests the 80-hour power reserve is difficult to achieve without manual winding. On balance, owners and reviewers rate the Hamilton Jazzmaster Power Reserve Auto well for its value and history, despite noted drawbacks in finishing and crystal material.