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.

MMI Watches Turret 300M - Model: TR2-DV (Midnightblue) at true scale

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

Seiko Prospex Sea 1965 Heritage Diver's Watch at true scale

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 specs
Thickness
13.8mm
13mm
Lug-to-Lug
47mm
46.4mm
Lug Width
n/a
20mm

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH35
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$425
$1,300
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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

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.

Seiko Prospex Sea 1965 Heritage Diver's Watch

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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