Resco UDT Diver - Brushed TitaniumvsSeiko 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.

Resco UDT Diver - Brushed Titanium at true scale

UDT Diver - Brushed Titanium

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

42mm

43.8mm

Lug-to-Lug

49.7mm

48.7mm

lowest

Thickness

13mm

12.8mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

n/a

41h

MSRP

$1,955

$625

lowest

Movement

Sellita SW200-1

Seiko 4R35

Case

6 specs
Diameter
42mm
43.8mm
Thickness
13mm
12.8mm
Lug-to-Lug
49.67mm
48.7mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m

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
Sellita SW200-1
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$1,955
$625
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Reviews

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

Resco UDT Diver - Brushed Titanium

Owners widely praise the Resco UDT Diver - Brushed Titanium for its quality, durability, accuracy, and good looks. The watch features a distinctive trident on the second hand and 0.2-second indices on the dial, with its brushed titanium case readily accepting NATO, Zulu, or leather straps. Overall, owners rate the Resco UDT Diver - Brushed Titanium highly for its robust build and versatile wearability.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value as a sport watch, with owners highlighting its comfortable wearability and generous lume. Reviewers note its solid build quality and attractive design, with some specifically mentioning the matte black dial as a strong point. One owner reports accuracy around +1 to +2 seconds per day. The 43.8mm case size is considered substantial by some, and one owner found the watch heavy and thick, regretting not choosing a different variant. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its blend of classic design and modern utility at an accessible price point.