Ferro & Company TIME Master 70 BluevsNivada Grenchen Antarctic Spider
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

TIME Master 70 Blue

Antarctic Spider
Diameter
39mm
38mm
Lug-to-Lug
47mm
n/a
Thickness
11mm
lowest
11.1mm
Water Resistance
100m
100m
Power Reserve
42h
highest
38h
MSRP
$685
lowest
$995
Movement
Miyota 9039
Sellita SW200-1
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Ferro & Company TIME MASTER 70 BLUE / for its comfortable 39mm size and excellent wearability, with reviewers highlighting its unique TV dial shape and retro aesthetic. The bracelet is frequently commended for its on-the-fly micro-adjust clasp and overall comfort. The Miyota 9039 movement is described as solid and smooth-winding. Some owners find the design cool and potentially too retro, while others note that square watches of this size can wear larger. On balance, owners and reviewers rate the Ferro & Company TIME MASTER 70 BLUE / highly for its comfortable dimensions and distinctive vintage design at its price point.
Owners praise the Nivada Grenchen Antarctic Spider for its historically significant design and excellent wearability, attributing the latter to its thin case. Some owners note the dial can be difficult to read and that the minute markers show imperfect application. A reviewer points out the beige Super-LumiNova appears too yellow. On balance, owners and reviewers rate the Nivada Grenchen Antarctic Spider highly for its faithful vintage sizing and design execution at the price.
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