Side by side

Spinnaker CroftvsSeiko Astron

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

Croft
SpinnakerCroft
MSRP $219
Astron
SeikoAstron
MSRP $3,100

At a glance

15 of 29 specs differ
Diameter
Croft40mm
Astron44.1mm
Power Reserve
Croft40h
Astron40h
Water Resistance
Croft150m
Astron100m
MSRP
Croft$219
Astron$3,100

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
44.1mm
Thickness
14mm
14.4mm
Lug-to-Lug
47mm
50mm
Lug Width
20mm
14mm
Material
316L Stainless Steel
Titanium
Water Resistance
150m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
Elemental
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
SII NH35A
5X83
Type
Automatic
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$219
$3,100

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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

Owners and reviewers widely praise the Spinnaker Croft for its vibrant dial colors, chunky hands and bezel, and overall value, with one owner noting the Miyota 8218 movement and cyclops as appreciated features. Reviewers flag the bracelet and clasp as budget-friendly limitations, citing friction-fit pins, sharp edges, and a stiff security lock. On balance, owners and reviewers rate the Spinnaker Croft highly for its accessible skeletonized dive watch aesthetic and appealing design at its price point.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular technology, self-sufficiency, and grab-and-go convenience, with one owner calling it the best watch they have ever had. Reviewers and owners highlight the detailed and well-managed dials, often with "Grand Seiko-esque" precision, and appreciate the comfortable, lightweight titanium construction. The solar-powered quartz movement with GPS time sync is a significant draw, offering accurate timekeeping. However, the price point of around €2250-€2400 is frequently cited as high for a quartz watch. Some owners note manual DST implementation, dependence on outdoor conditions or radio tower proximity for GPS sync, and sparse lume. One owner experienced the minute hand sitting slightly off and found the recessed buttons difficult to operate. Accuracy figures vary, with some reporting +/- 15 seconds per month without GPS, while others note autonomous quartz movement accuracy of up to 1/2 second per day.

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