Side by side

Spinnaker Spence 300vsLongines CONQUEST HERITAGE

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

Spence 300
SpinnakerSpence 300
MSRP $650
CONQUEST HERITAGE
LonginesCONQUEST HERITAGE
MSRP $3,400

At a glance

19 of 29 specs differ
Diameter
Spence 30040mm
CONQUEST HERITAGE38mm
Power Reserve
Spence 30040h
CONQUEST HERITAGE
Water Resistance
Spence 300300m
CONQUEST HERITAGE50m
MSRP
Spence 300$650
CONQUEST HERITAGE$3,400

Full specifications

Case

8 specs
Category
Diver
Diameter
40mm
38mm
Thickness
11.5mm
10.8mm
Lug-to-Lug
48mm
48.1mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
50m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Aquamarine
Anthracite
Indices
Applied

Movement

6 specs
Caliber
SII NH35A
L888.5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$650
$3,400

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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 Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

Longines CONQUEST HERITAGE

Owners widely praise the Longines Conquest Heritage for its beautiful, unique dial designs and faithful vintage re-release aesthetic, with reviewers highlighting its balanced, thin, and lightweight feel. The 35mm version is noted for its pie-pan dial, applied markers, dauphine hands with lume, and ETA 2824/2 movement, while the Central Power Reserve variant revives a 1959 design with a novel central power reserve indicator. Some owners find the Central Power Reserve model slightly big and chunky, and one reviewer notes the lugs can create a noticeable gap on the wrist. The indices and hands can be harder to read in direct light. On balance, owners and reviewers rate the Longines Conquest Heritage highly for its elegant, vintage look and attractive finishing at its price point.

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