Side by side

HELM Khuraburi TitaniumvsSeiko Prospex Sea

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

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

HELM Khuraburi Titanium

Owners widely praise the HELM Khuraburi Titanium for its exceptional lume, robust build, and great value, with many noting its lightweight titanium construction and comfortable wearability. The 4 o'clock crown and superb crown action are frequently highlighted as positive attributes. Some owners find the watch's thickness, around 16mm, to be substantial, and one reported the Seiko NH38 movement ran over 40 seconds fast per day, while another criticized the NH35 movement's 40-hour power reserve. On balance, owners rate the HELM Khuraburi Titanium highly for its outstanding lume and impressive build quality at its price point.

From video reviewers

The brushed titanium case and bracelet deliver a lightweight, durable construction that two reviewers specifically praised for its feel and build quality. The 49mm lug-to-lug dimension may present wearability challenges for smaller wrists. Reviewers disagreed on the movement spec: one noted an NH35, while another confirmed an NH38 with 40-hour power reserve.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

At a glance

15 of 29 specs differ
Diameter
Khuraburi Titanium42mm
Prospex Sea41.7mm
Power Reserve
Khuraburi Titanium40h
Prospex Sea41h
Water Resistance
Khuraburi Titanium300m
Prospex Sea200m
MSRP
Khuraburi Titanium$375
Prospex Sea$595

Full specifications

Case

6 specs
Diameter
42mm
41.7mm
Thickness
16mm
12.3mm
Lug-to-Lug
49mm
49.5mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

5 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Domed
AR Coating
Yes
Dial Color
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko 4R35
Power Reserve
40h
41h
Jewels
24
23

Pricing

1 specs
MSRP
$375
$595
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