Side by side

Spinnaker CroftvsTimefactors Speedbird PRS-51

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

Croft
SpinnakerCroft
MSRP $219
Speedbird PRS-51
TimefactorsSpeedbird PRS-51
MSRP $436
What people say

Owners + reviewers, side by side

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

Spinnaker Croft

Owners and reviewers widely praise the Spinnaker Croft for its vibrant dial colors, chunky hands and bezel, and overall value, with one owner noting the Miyota 8218 movement and cyclops as appreciated features. Reviewers flag the bracelet and clasp as budget-friendly limitations, citing friction-fit pins, sharp edges, and a stiff security lock. On balance, owners and reviewers rate the Spinnaker Croft highly for its accessible skeletonized dive watch aesthetic and appealing design at its price point.

Timefactors Speedbird PRS-51

Owners widely praise the Timefactors Speedbird PRS-51 for its flieger design, AR sapphire crystal, and value at £200. The 36mm case is noted to wear closer to 37mm due to the dial size, and while one owner describes the 5-link bracelet as well-built but stiff, another praises its drape and articulation. Accuracy figures vary among owners, with one reporting +7 seconds per day and another around +10 seconds per day, though one owner states theirs keeps impeccable time. The Miyota 9015 movement is noted by one owner to exhibit noticeable rotor wobble. Overall, owners rate the Timefactors Speedbird PRS-51 highly for its pilot watch aesthetics and value.

At a glance

12 of 29 specs differ
Diameter
Croft40mm
Speedbird PRS-5136mm
Power Reserve
Croft40h
Speedbird PRS-51
Water Resistance
Croft150m
Speedbird PRS-51100m
MSRP
Croft$219
Speedbird PRS-51$436

Full specifications

Case

7 specs
Category
Diver
Diameter
40mm
36mm
Thickness
14mm
11.4mm
Lug-to-Lug
47mm
42mm
Lug Width
20mm
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
150m
100m

Crystal & Dial

2 specs
Dial Color
Elemental
Black
Lume
None
SuperLuminova X1-C3

Movement

2 specs
Caliber
Seiko NH35
Miyota 9015
Power Reserve
40h

Pricing

1 specs
MSRP
$219
$436
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