Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeiko Prospex Land Mechanical

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.

Serica Ref. 5330 Diving Chronometer Date

Serica is praised for its comfortable 39mm case, distinctive twin-scale bezel, and well-executed mesh bracelet. Owners widely report a dial balance and minimal text inspired by 60s dive watches. However, multiple owners flag significant quality control issues, including dials moving when the crown is pulled, minute hands jumping, and misaligned or difficult-to-turn bezels. The 5330 Dive Chronometer variant, which includes a date window, retails for €1,690 and uses a COSC-certified Soprod M100 automatic movement. Overall, owners rate Serica highly for its comfortable 39mm size and dive watch aesthetics, though quality control concerns are a notable caveat.

Seiko Prospex Land Mechanical

Owners widely praise the Seiko Prospex Land Mechanical for its unique style, useful day-date complication, and value, with some finding it suitable as a one-watch-for-all-occasions. Accuracy and durability are noted as strengths, with one owner reporting good performance even in water submersion. However, multiple owners criticize its size, with figures around 41mm to 43mm and 14.4mm thickness being flagged as too large and thick for smaller wrists. The Hardlex crystal and a potentially loose inner compass bezel are also points of criticism. On balance, owners rate the Seiko Prospex Land Mechanical highly for its unique style and value, despite concerns over its substantial dimensions.

At a glance

13 of 29 specs differ
Diameter
Ref. 5330 Diving Chronometer Date39mm
Prospex Land Mechanical39.5mm
Power Reserve
Ref. 5330 Diving Chronometer Date42h
Prospex Land Mechanical72h
Water Resistance
Ref. 5330 Diving Chronometer Date300m
Prospex Land Mechanical200m
MSRP
Ref. 5330 Diving Chronometer Date$2,005
Prospex Land Mechanical$995

Full specifications

Case

5 specs
Category
Diver
Field
Diameter
39mm
39.5mm
Thickness
12.2mm
12.7mm
Lug-to-Lug
46.5mm
46.4mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

4 specs
Caliber
Soprod M100
6R55
Power Reserve
42h
72h
Jewels
0
24
Complications
COSC, Date
None

Pricing

1 specs
MSRP
$2,005
$995
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