San Martin Turtle DivervsSeiko Prospex Sea PADI Special Edition

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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.

San Martin Turtle Diver at true scale

Turtle Diver

Seiko Prospex Sea PADI Special Edition at true scale

Prospex Sea PADI Special Edition

Diameter

44mm

45mm

Lug-to-Lug

n/a

47.7mm

Thickness

n/a

13.2mm

Water Resistance

200m

200m

Power Reserve

n/a

41h

MSRP

$199

lowest

$650

Movement

Seiko NH35

Seiko 4R36

Case

4 specs
Diameter
44mm
45mm
Thickness
n/a
13.2mm
Lug-to-Lug
n/a
47.7mm
Lug Width
n/a
22mm

Crystal & Dial

3 specs
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 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$199
$650
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Reviews

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

San Martin Turtle Diver

Owners widely praise the San Martin Turtle Diver SN047 for its retro design, exceptional value, and impressive build quality, noting superior finishing and machining compared to other options. The watch features a striking blue sunburst dial, applied indices, and a ceramic bezel with excellent action, though some report minor back play. Its lume is consistently highlighted as remarkably bright and long-lasting, comparable to Seiko's LumiBrite. The Seiko NH35 movement is reliable, and the watch demonstrates remarkable accuracy, with one owner reporting it stayed within half a second of the correct time over 30 hours. While the 44mm case is noted as potentially large for smaller wrists, many find it wears smaller than its diameter suggests and is comfortable on average wrists. Some owners find the white date wheel distracting. Overall, owners rate the San Martin Turtle Diver SN047 highly for its outstanding finishing and vibrant dial at an exceptional price point.

Seiko Prospex Sea PADI Special Edition

The Seiko Prospex Sea PADI Special Edition is widely praised for its excellent value and classic Seiko diver charm, with owners and reviewers highlighting its robust build quality, comfortable wearability, and strong functionality. The watch is noted for its accessible price point, offering a complete experience with a distinctive design and proven functionality. Specific praise is given to its excellent lume, which captures light easily, and its bezel action, described as smoother and more precise than some alternatives. However, some owners question the value of "special editions" in general. One owner noted that while the 45mm case size is substantial, it contributes to the watch's presence, and another found the multi-lingual date function and diver's extension difficult to use, with initial bracelet adjustment being frustrating. Overall, owners rate the Seiko Prospex Sea PADI Special Edition highly for its excellent value and robust build quality.

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