Side by side

Nivada Grenchen Chronomaster 38mm Automatic ChronographvsWren Diver One Aqua

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 Chronomaster 38mm Automatic Chronograph

Owners widely appreciate the Nivada Grenchen Chronomaster 38mm Automatic Chronograph for its perfect 38mm size and faithful vintage reproduction, with one owner finding its worn bezel enhances its appeal. Reviewers praise its unique "baked" tropical dial, which mimics patina without the risks of a vintage piece. However, one owner reported a feeling of poor construction and lighter-than-expected weight, while another regretted the automatic caseback causing the watch to sit high on the wrist. The chronograph's 100m water resistance is noted as a slight limitation. On balance, owners and reviewers rate the Nivada Grenchen Chronomaster 38mm Automatic Chronograph highly for its excellent vintage aesthetic and unique dial that offers the enjoyment of a tropical watch without the associated risks.

Wren Diver One Aqua

The sandwich dial with box crystal delivers a distinct vintage aesthetic that stands out at the price point. The flat-link bracelet completes the classic diver design. Reviewers noted the bezel action as a notable comparison point against competitors.

At a glance

16 of 29 specs differ
Diameter
Chronomaster 38mm Automatic Chronograph38mm
Diver One Aqua41mm
Power Reserve
Chronomaster 38mm Automatic Chronograph
Diver One Aqua38h
Water Resistance
Chronomaster 38mm Automatic Chronograph100m
Diver One Aqua200m
MSRP
Chronomaster 38mm Automatic Chronograph$2,085
Diver One Aqua$965

Full specifications

Case

9 specs
Category
Chronograph
Diameter
38mm
41mm
Thickness
15.85mm
13.3mm
Lug-to-Lug
48.5mm
47mm
Lug Width
20mm
0mm
Material
Stainless Steel
PVD coated retaining steel color for scratch resistant
Finish
Brushed + Polished
Water Resistance
100m
200m
Caseback
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
White
Lume
x1
None

Movement

4 specs
Caliber
Sellita SW200-1
Beat Rate
4 vph
0 vph
Power Reserve
0h
38h
Complications
GMT, Chronograph, Small seconds
None

Pricing

1 specs
MSRP
$2,085
$965
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