MMI Watches Turret 300M - Model: TR2-DV (Midnightblue)vsSeiko Prospex Sea 1965 Heritage Diver's Watch
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Turret 300M - Model: TR2-DV (Midnightblue)

Prospex Sea 1965 Heritage Diver's Watch
Diameter
40mm
40mm
Lug-to-Lug
47mm
46.4mm
lowest
Thickness
13.8mm
13mm
lowest
Water Resistance
300m
300m
Power Reserve
n/a
72h
MSRP
$425
lowest
$1,300
Movement
Seiko NH35
Seiko 6R55
Case
3 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners are astonished by the quality and stunning details of the MMI Watches Turret 300M - Model: TR2-DV (MIDNIGHTBLUE), stating it looks even better in person. The watch is praised for its comfortable 40mm case size, 47mm lug-to-lug, and a slim 13.6mm thickness for a dive watch. Overall, owners rate the MMI Watches Turret 300M - Model: TR2-DV (MIDNIGHTBLUE) highly for its impressive in-person appearance and comfortable wearability.
Owners widely praise the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined engineering, comfortable 40mm case, and improved 300m water resistance. The watch is noted for its better build quality and finishing compared to some alternatives, featuring a mix of polished and brushed surfaces, with specific callouts for the jewel-toned teal dial with a rippling-water pattern. Some owners consider the price fair, while others suggest it is too high. Accuracy figures vary, with some owners reporting their 6R55 movement performs well within +/- 10 seconds per day, while others note theirs runs slow or have concerns about QC for the price. The bracelet, while improved, lacks modern features like quick-release or extensive micro-adjustments. Overall, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Watch highly for its refined design and build quality at its price point.
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