Side by side

Seiko Prospex RotocallvsSpinnaker Hull Diver

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

Prospex Rotocall
SeikoProspex Rotocall
MSRP $550
Hull Diver
SpinnakerHull Diver
MSRP $375

At a glance

12 of 29 specs differ
Diameter
Prospex Rotocall37mm
Hull Diver42mm
Power Reserve
Prospex Rotocall40h
Hull Diver40h
Water Resistance
Prospex Rotocall100m
Hull Diver300m
MSRP
Prospex Rotocall$550
Hull Diver$375

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
37mm
42mm
Thickness
10.6mm
15mm
Lug-to-Lug
43.5mm
47.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
Crystal
Hardlex
Sapphire
Dial Color
Black
Green

Movement

2 specs
Caliber
A824
SII NH35A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$550
$375

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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 Rotocall

Owners widely praise the Seiko Prospex Rotocall for its charismatic retro design and comfortable 37mm size, with many appreciating its space-faring heritage. However, multiple sources criticize its price point, suggesting it is too high for an all-digital quartz watch with features like a stamped clasp, mineral crystal, and standard quartz movement. Some owners also note drawbacks such as a flimsy battery mount and split pin bracelet construction. On balance, owners and reviewers find the Seiko Prospex Rotocall visually appealing and a faithful re-release, but its value proposition is frequently questioned due to its price.

Spinnaker Hull Diver

The Spinnaker Hull Diver is widely praised for its excellent build quality, featuring a milled clasp, solid links, and a strong anti-reflective coating on its sapphire crystal. Owners highlight its value, with one calling it one of their best affordable watches at $170, and appreciate the dual-part case construction that contributes to a reduced thickness. The blue dial is noted for its attractive play of light, and the screw-down crown is easy to operate. However, the lume is considered average, and some desire a higher beat movement. On balance, owners rate the Spinnaker Hull Diver highly for its robust construction and strong value proposition at its price point.

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