Side by side

Spinnaker Hull CommandervsSeiko Prospex Sea

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

Hull Commander
SpinnakerHull Commander
MSRP $520
Prospex Sea
SeikoProspex Sea
MSRP $625

At a glance

12 of 29 specs differ
Diameter
Hull Commander42mm
Prospex Sea43.8mm
Power Reserve
Hull Commander40h
Prospex Sea41h
Water Resistance
Hull Commander300m
Prospex Sea200m
MSRP
Hull Commander$520
Prospex Sea$625

Full specifications

Case

5 specs
Diameter
42mm
43.8mm
Thickness
13.5mm
12.8mm
Lug-to-Lug
49mm
48.7mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
TIGER EYE
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
SII NH35A
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$520
$625

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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.

Spinnaker Hull Commander

The Spinnaker Hull Commander is widely praised by owners for its excellent build quality and finishing relative to its sub-$200 price point. Some owners note that watches in the Hull line can be thick. One owner flags that the big date complication on the Chronograph variant is partially obscured by the chronograph hand, and the included leather strap is unsuitable for a 100M water-resistant watch. On balance, owners rate the Spinnaker Hull Commander highly for its exceptional value and robust construction at its price.

From video reviewers

The unique, naturally patterned dial is a significant aesthetic draw. The 42mm case diameter and 50mm lug-to-lug measurement may be large for smaller wrists.

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.

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