Side by side

Seiko Prospex SeavsSpinnaker Croft

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

Prospex Sea
SeikoProspex Sea
MSRP $1,100
Croft
SpinnakerCroft
MSRP $219

At a glance

12 of 29 specs differ
Diameter
Prospex Sea41.3mm
Croft40mm
Power Reserve
Prospex Sea72h
Croft40h
Water Resistance
Prospex Sea300m
Croft150m
MSRP
Prospex Sea$1,100
Croft$219

Full specifications

Case

5 specs
Diameter
41.3mm
40mm
Thickness
12.5mm
14mm
Lug-to-Lug
48.2mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

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

Movement

3 specs
Caliber
6R55
SII NH35A
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,100
$219

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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 Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

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.

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