Side by side

Nivada Grenchen DepthmastervsSeiko Prospex Sea JAWS 50th Anniversary Limited Edition

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Nivada Grenchen Depthmaster

Owners widely report terrific build quality and a feel similar to the 1960s original, with some appreciating its reasonable lug-to-lug and better-than-expected appearance in person. The compact 39mm case is praised for its wearability, especially on smaller wrists, and offers impressive 1,000m water resistance. However, the Soprod P024 movement's 38-hour power reserve is a point of criticism, as is a bezel that can be difficult to grip and weak lume. Some owners find the watch wears on the smaller side, and the date complication is seen by one owner as detracting from the design. The "Pacman" variant is noted as polarizing, with one owner questioning their purchase, while the "Ghost Purple" variant's 30 and 45 numerals are described as having a rushed aesthetic. Overall, owners and reviewers rate the Nivada Grenchen Depthmaster highly for its faithful reissue, impressive water resistance, and comfortable wearability at a competitive price.

Seiko Prospex Sea JAWS 50th Anniversary Limited Edition

The Seiko Prospex Sea JAWS 50th Anniversary Limited Edition is praised for its well-executed movie homage, featuring a striking silver-to-blue gradient dial with a hidden shark design and the "JAWS" logo. Owners note the special case back marked with the Orca boat and shark fin, and the inclusion of a special box. The watch is considered a fun summer piece, with a comfortable blue silicone strap, despite its 45mm dimensions. The 4R36 automatic movement is noted to have a 41-hour power reserve, with accuracy reported between +45 and -35 seconds per day. On balance, owners and reviewers appreciate the Seiko Prospex Sea JAWS 50th Anniversary Limited Edition for its unique Jaws-themed dial and commemorative details.

At a glance

14 of 29 specs differ
Diameter
Depthmaster39mm
Prospex Sea JAWS 50th Anniversary Limited Edition45mm
Power Reserve
Depthmaster38h
Prospex Sea JAWS 50th Anniversary Limited Edition41h
Water Resistance
Depthmaster1,000m
Prospex Sea JAWS 50th Anniversary Limited Edition200m
MSRP
Depthmaster$1,050
Prospex Sea JAWS 50th Anniversary Limited Edition$795

Full specifications

Case

6 specs
Diameter
39mm
45mm
Thickness
13mm
13.2mm
Lug-to-Lug
39mm
47.7mm
Lug Width
20mm
22mm
Water Resistance
1000m
200m
Caseback
Stainless Steel 316

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Sellita SW200-1
4R36
Power Reserve
38h
41h
Jewels
0
24
Complications
GMT
None

Pricing

1 specs
MSRP
$1,050
$795
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