Heimdallr Titanium Turtle 6105 DivervsSeiko Prospex Sea

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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.

Heimdallr Titanium Turtle 6105 Diver at true scale

Titanium Turtle 6105 Diver

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

45mm

43.5mm

Lug-to-Lug

46.8mm

lowest

51mm

Thickness

13.4mm

13.3mm

lowest

Water Resistance

200m

200m

Power Reserve

n/a

70h

MSRP

$189

lowest

$1,500

Movement

Hangzhou 2565A

Seiko 6R35

Case

5 specs
Diameter
45mm
43.5mm
Thickness
13.4mm
13.3mm
Lug-to-Lug
46.8mm
51mm
Lug Width
20mm
22mm
Material
Titanium Grade 3
Titanium

Crystal & Dial

2 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Hangzhou 2565A
Seiko 6R35
Power Reserve
0h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$189
$1,500
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Reviews

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

Heimdallr Titanium Turtle 6105 Diver

Owners widely praise the Heimdallr Titanium Turtle 6105 Diver watch for its lightweight titanium construction, making it significantly more comfortable to wear than steel alternatives. The watch features a sapphire crystal with AR coating and bright lume, with one owner specifically liking the shark logo on the dial. The titanium case and bracelet contribute to a comfortable feel, with one reviewer noting faint scratches on the titanium finish. The bezel action is described as having about one minute of backplay, though some prefer stiffer bezels for their lack of play and perfect alignment. The Heimdallr Titanium Turtle 6105 Diver watch was purchased for C$291.40 during a 50% off sale. Overall, owners rate the Heimdallr Titanium Turtle 6105 Diver watch highly for its comfortable titanium build and quality finishing at the price point.

Seiko Prospex Sea

Owners praise the Seiko Prospex Sea for its value and classic design, with reviewers highlighting its impressive case finishing and excellent LumiBrite lume. One owner found the watch to be a great first proper timepiece, while another noted it felt uncomfortably large, thick, and heavy on a 6.5-inch wrist. The hard-coated steel case offers scratch resistance. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its value and finishing.

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