Side by side

Seiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited EditionvsSpinnaker Croft Mid-Size Skeleton

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

Croft Mid-Size Skeleton
SpinnakerCroft Mid-Size Skeleton
MSRP $425
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 Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition

Owners widely praise the Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition's titanium monobloc case construction and the dial's blue gradient finish. Some owners find the 45.4mm diameter and 16mm thickness too large, noting a poor dial-to-bezel ratio and excessive text on the dial. The 8L45 movement offers a 72-hour power reserve, with reported accuracy ranging from +10/-5 seconds per day to +25/-15 seconds per day. On balance, owners appreciate the watch's tool watch vibe and unique dial construction, despite some reservations about its size and price.

Spinnaker Croft Mid-Size Skeleton

The Spinnaker Croft Mid-Size Skeleton is noted for its 40mm steel case, sapphire crystal, and 150m water resistance. One owner reports strong performance from the TMI NH70 movement at -3 seconds per day, with very nice lume. On balance, owners find the Spinnaker Croft Mid-Size Skeleton to be a pretty nice option, particularly for its movement performance and lume.

At a glance

15 of 29 specs differ
Diameter
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition45.4mm
Croft Mid-Size Skeleton40mm
Power Reserve
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Croft Mid-Size Skeleton40h
Water Resistance
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition600m
Croft Mid-Size Skeleton100m
MSRP
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition$4,600
Croft Mid-Size Skeleton$425

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
45.4mm
40mm
Thickness
16mm
14mm
Lug-to-Lug
50.4mm
47mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
600m
100m

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Dollar Diver
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
8L45
SII NH38A
Power Reserve
72h
40h
Jewels
35
25

Pricing

1 specs
MSRP
$4,600
$425
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