Side by side

Seiko Prospex SPEEDTIMER MechanicalvsSpinnaker Hull Commander

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

Prospex SPEEDTIMER Mechanical
SeikoProspex SPEEDTIMER Mechanical
MSRP $995
Hull Commander
SpinnakerHull Commander
MSRP $520

At a glance

15 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical39.5mm
Hull Commander42mm
Power Reserve
Prospex SPEEDTIMER Mechanical72h
Hull Commander40h
Water Resistance
Prospex SPEEDTIMER Mechanical200m
Hull Commander300m
MSRP
Prospex SPEEDTIMER Mechanical$995
Hull Commander$520

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
39.5mm
42mm
Thickness
12mm
13.5mm
Lug-to-Lug
44.5mm
49mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
TIGER EYE
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
6R55
SII NH35A
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$995
$520

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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 SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

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.

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