Seiko 5KXvsStirling Durrant

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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.

Seiko 5KX at true scale

5KX

Stirling Durrant at true scale

Durrant

Diameter

42.5mm

42mm

Lug-to-Lug

46mm

lowest

51mm

Thickness

13.4mm

13mm

lowest

Water Resistance

100m

200m

highest

Power Reserve

41h

42h

highest

MSRP

$350

lowest

$590

Movement

Seiko 4R36

Seiko NH35

Case

5 specs
Category
Diver
Watch
Diameter
42.5mm
42mm
Thickness
13.4mm
13mm
Lug-to-Lug
46mm
51mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Hardlex
Sapphire
Dial Color
Blue
n/a
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
Seiko 4R36
Seiko NH35
Power Reserve
41h
42h
Jewels
24
0

Pricing

1 specs
MSRP
$350
$590
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Reviews

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

Seiko 5KX

Owners widely praise the Seiko 5KX for its strong lume and value, with many reporting accuracy within +/-5 to 10 seconds per day, though some experience +/-1 second. The 42.5mm case is noted to wear smaller, and the watch offers a comfortable feel for many. Some owners are split on the bracelet quality, with opinions ranging from "cheaper side" with hollow links to "flimsy-feeling" jubilee. A few quality control issues have been reported, including a failed bezel clickspring and misaligned components. The Seiko 5KX is seen by some as a worthy successor to the original SKX, offering an upgraded movement with hacking and hand-winding capabilities, though others lament the loss of ISO certification and a screw-down crown. Overall, owners rate the Seiko 5KX highly for its excellent lume and value proposition, making it a popular choice for everyday wear.

Stirling Durrant

Owners widely praise the Stirling Durrant for its appealing aesthetic, especially the domed glass, and its durable construction. The DLC coating on the black variant is noted as exceptionally scratch-resistant, and one owner wore the watch for a month straight without issues. Stirling watches are also recognized for their reasonable pricing and charitable contributions. On balance, owners rate the Stirling Durrant highly for its attractive design and robust build quality at its price point.

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