Side by side

Seiko Prospex Land MechanicalvsSpinnaker Spence 300

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

Prospex Land Mechanical
SeikoProspex Land Mechanical
MSRP $995
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

13 of 29 specs differ
Diameter
Prospex Land Mechanical39.5mm
Spence 30040mm
Power Reserve
Prospex Land Mechanical72h
Spence 30040h
Water Resistance
Prospex Land Mechanical200m
Spence 300300m
MSRP
Prospex Land Mechanical$995
Spence 300$650

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
39.5mm
40mm
Thickness
12.7mm
11.5mm
Lug-to-Lug
46.4mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Aquamarine
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
$650

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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 Land Mechanical

Owners widely praise the Seiko Prospex Land Mechanical for its unique style, useful day-date complication, and value, with some finding it suitable as a one-watch-for-all-occasions. Accuracy and durability are noted as strengths, with one owner reporting good performance even in water submersion. However, multiple owners criticize its size, with figures around 41mm to 43mm and 14.4mm thickness being flagged as too large and thick for smaller wrists. The Hardlex crystal and a potentially loose inner compass bezel are also points of criticism. On balance, owners rate the Seiko Prospex Land Mechanical highly for its unique style and value, despite concerns over its substantial dimensions.

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.

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