Side by side

Spinnaker Croft 42 SkeletonvsLongines LONGINES SPIRIT FLYBACK PROTOTYPE

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

Croft 42 Skeleton
SpinnakerCroft 42 Skeleton
MSRP $435
LONGINES SPIRIT FLYBACK PROTOTYPE
LonginesLONGINES SPIRIT FLYBACK PROTOTYPE
MSRP $7,400

At a glance

7 of 29 specs differ
Diameter
Croft 42 Skeleton42mm
LONGINES SPIRIT FLYBACK PROTOTYPE42mm
Power Reserve
Croft 42 Skeleton40h
LONGINES SPIRIT FLYBACK PROTOTYPE40h
Water Resistance
Croft 42 Skeleton100m
LONGINES SPIRIT FLYBACK PROTOTYPE100m
MSRP
Croft 42 Skeleton$435
LONGINES SPIRIT FLYBACK PROTOTYPE$7,400

Full specifications

Case

4 specs
Category
Sport
Chronograph
Thickness
14mm
17mm
Lug-to-Lug
49mm
49.5mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Steel
Green

Movement

1 specs
Caliber
SII NH38A
L791.4

Pricing

1 specs
MSRP
$435
$7,400

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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 Croft 42 Skeleton

Owners widely report the Spinnaker Croft 42 Skeleton offers good build quality for its price, with some finding it a decent buy on sale. Reviewers note the 42mm case provides significant wrist presence. However, opinions are split on legibility and aesthetics, with some finding it poorly executed and uninteresting while others consider it one of the more legible skeleton watches. The watch is powered by a Seiko NH70 automatic movement with a 41-hour power reserve, though one reviewer considered the movement uninteresting. The bracelet and clasp are considered mediocre for the price point. Overall, owners and reviewers find the Spinnaker Croft 42 Skeleton to be a polarizing but potentially good value skeletonized dive watch when purchased on sale, with its build quality being a key positive for many.

LONGINES SPIRIT FLYBACK PROTOTYPE

Owners widely praise the Longines Spirit Flyback Prototype for its attractive finishing, COSC-certified movement, and value as a flyback chronograph. Reviewers highlight its refined 39.5mm case and simplified dial, while some owners appreciate the reduced thickness and improved wearability compared to larger variants, with a lug-to-lug distance noted as potentially long for smaller wrists. The watch features a 68-hour power reserve and a bespoke L791.4 movement. However, the case thickness is a consistent point of discussion, with multiple sources citing 17mm, though some reviewers suggest thoughtful design makes it wear closer to 13.5-14mm. Owners are split on the dial's aesthetic, with some preferring previous configurations with gold subdial rings and concentric textures over the current flat matte dial and cut-off numbers. The leather strap is also noted as stiff and pinching.

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