Ollech & Wajs M-52B AFvsSeiko 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.

Ollech & Wajs M-52B AF at true scale

M-52B AF

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

Prospex Sea 1965 Heritage Diver's Watch

Diameter

39.5mm

40mm

Lug-to-Lug

48mm

46.4mm

lowest

Thickness

12.5mm

lowest

13mm

Water Resistance

300m

300m

Power Reserve

38h

72h

highest

MSRP

$2,010

$1,300

lowest

Movement

Soprod P024

Seiko 6R55

Case

4 specs
Diameter
39.5mm
40mm
Thickness
12.5mm
13mm
Lug-to-Lug
48mm
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
Soprod P024
Seiko 6R55
Power Reserve
38h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$2,010
$1,300
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Reviews

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

Ollech & Wajs M-52B AF

The Olech & Wajs Watches M-52B AF is a 39.5mm tool watch with 300m water resistance and a Soprod P024 automatic movement. It features a PVD-coated bezel and a dial with a B-52 bomber outline, which some find too prominent and can obscure the hands. The watch is a limited edition of 56 pieces, priced at CHF 1,256, with pre-orders opening January 12, 2024. On balance, owners and reviewers note the Olech & Wajs Watches M-52B AF for its distinct tactical design and robust build, though the prominent B-52 graphic on the dial is a polarizing element.

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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