Side by side

Seiko Prospex SeavsHELM Togiak Expedition

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

Prospex Sea
SeikoProspex Sea
MSRP $625
Togiak Expedition
HELMTogiak Expedition
MSRP $340

At a glance

12 of 29 specs differ
Diameter
Prospex Sea43.8mm
Togiak Expedition42mm
Power Reserve
Prospex Sea41h
Togiak Expedition40h
Water Resistance
Prospex Sea200m
Togiak Expedition200m
MSRP
Prospex Sea$625
Togiak Expedition$340

Full specifications

Case

5 specs
Category
Diver
Field
Diameter
43.8mm
42mm
Thickness
12.8mm
14mm
Lug-to-Lug
48.7mm
49mm
Material
Stainless Steel
Titanium

Crystal & Dial

2 specs
AR Coating
Anti-reflective coating on inner surface
Yes
Lume
LumiBrite on hands, index(es) and bezel
Super-LumiNova

Movement

4 specs
Caliber
4R35
Seiko Instruments NH36
Power Reserve
41h
40h
Jewels
23
24
Complications
None
Day, Date

Pricing

1 specs
MSRP
$625
$340

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What people say

Owners + reviewers, side by side

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

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

HELM Togiak Expedition

Owners widely praise the HELM Togiak Expedition for its utilitarian design, matte black dial, distinctive handset, and excellent lume. The watch is noted for offering good value and is ISO 6425 tested to 200m water resistance. Some owners find the size and weight may not suit smaller wrists, and the included bracelet and NATO strap are considered uncomfortable. On balance, owners rate the HELM Togiak Expedition highly for its well-executed design and value proposition.

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