Side by side

Seiko AlpinistvsSpinnaker Bradner Pearl Diver

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

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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 Alpinist

Owners widely praise the Seiko Prospex Land Mechanical for its durability, accuracy, and value, with many appreciating its versatile style and useful day-date complication. Some owners highlight the 70-hour power reserve and 20 bar water resistance as significant benefits. However, opinions are divided on its size and thickness, with some finding it too large and heavy for a field watch, while others consider it a perfect or comfortable fit, especially at 38mm. There is also disagreement regarding the crystal type, with some criticizing the Hardlex while others appreciate the sapphire. Overall, owners rate the Seiko Prospex Land Mechanical highly for its robust performance and good value, despite differing views on its dimensions.

Spinnaker Bradner Pearl Diver

The Spinnaker Bradner Pearl Diver is noted by owners as large on smaller wrists, with a 50mm lug-to-lug and 15mm height being a concern, though some find it acceptable with specific strap choices. Opinions on finishing quality vary, with one owner reporting issues like a poorly seated bezel and crooked indices. Overall, owners rate the Spinnaker Bradner Pearl Diver with mixed reviews regarding its size and finishing.

At a glance

14 of 29 specs differ
Diameter
Alpinist39.5mm
Bradner Pearl Diver42mm
Power Reserve
Alpinist70h
Bradner Pearl Diver
Water Resistance
Alpinist200m
Bradner Pearl Diver180m
MSRP
Alpinist$750
Bradner Pearl Diver$370

Full specifications

Case

7 specs
Category
Field
Diver
Diameter
39.5mm
42mm
Thickness
13.2mm
15mm
Lug-to-Lug
46.4mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
180m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Emerald
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
Seiko 6R35
Seiko NH35
Power Reserve
70h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$750
$370
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