Side by side

Seiko AlpinistvsSpinnaker Cahill Automatic

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

Alpinist
SeikoAlpinist
MSRP $750
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

13 of 29 specs differ
Diameter
Alpinist39.5mm
Cahill Automatic42mm
Power Reserve
Alpinist70h
Cahill Automatic40h
Water Resistance
Alpinist200m
Cahill Automatic200m
MSRP
Alpinist$750
Cahill Automatic$350

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
39.5mm
42mm
Thickness
13.2mm
13.7mm
Lug-to-Lug
46.4mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
6R35
SII NH35A
Power Reserve
70h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$750
$350

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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 Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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