Bremont Supermarine 300MvsGrand Seiko SBGW291

The Bremont Supermarine 300M is praised for its comfortable 40mm and 42mm case sizes, with owners noting the 42mm wears well on smaller wrists due to its lug design. One owner highlights the 13mm thinness of the 40mm case, considered compact for a 300m diver. The watch is priced at $1375. On balance, owners and reviewers appreciate the Bremont Supermarine 300M for its wearability and compact dimensions, especially for a dive watch.

The Grand Seiko SBGW291 is praised for its charming 36.5mm size and a silver sunburst dial with sharply chamfered indices and dauphine hands. Reviewers note the hallmark Zaratsu polished surfaces and the hand-wound 9S64 movement, which provides accuracy between -3 to +5 seconds per day and a three-day power reserve. The case wears wonderfully on smaller wrists. However, its €5,200 price is considered high by one reviewer, especially without a steel bracelet, suggesting vintage options might be more appealing. Overall, reviewers consider the Grand Seiko SBGW291 a valid option for a simpler, smaller Grand Seiko experience, with its wearability and finishing being key strengths.