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Gruen Curvex Precision Ref. 370-650 Art Deco Tank

Name: Gruen Curvex Precision Ref. 370-650 Art Deco Tank
Brand: Gruen
Price: 980.00 USD
Availability: InStock

$980.00

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This Gruen Curvex Precision, Ref. 370-650, is a unique example of Art Deco watchmaking and one of the most iconic designs of its era. Its defining feature is the patented Curvex construction, where both the rectangular “tank” case and the mechanical movement inside are curved to conform to the wearer’s wrist. The case is topped by a unique and highly stylized three-facet “gabled” crystal, enhancing the watch’s distinctive architectural lines. Beneath the crystal, the champagne-colored dial exudes vintage charm, featuring applied gold-tone Arabic numerals in a distinct period font and a rectangular subsidiary seconds dial at the 6 o’clock position. Gold-tone alpha hands sweep across the face, completing the warm aesthetic of this testament to Gruen’s innovative spirit.

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General

Brand	Gruen
Model Line	Curvex
reference	370-650
Manufactured	Switzerland
Department	Men
Dial Color	Cream

Case

Case Shape	Rectangular
Bezel	Fixed
Case Material	10k White Gold Filled
Case Width	23mm
Case Height	42mm

Strap / Bracelet

Lug Width	18mm
Strap Material	Buttero Leather
Strap Color	Tan
Clasp	Buckle
Max Wrist Size	8.5"

Movement

Movement	Manual Wind
Caliber	Gruen 370
Accuracy	>15 seconds The movement showed a daily accuracy deviation ranging from 0 to 15 seconds across six positions.

Extras

Warranty Every watch sold by Ottuhr comes with a 1-year mechanical warranty. Select pieces may also include additional guarantees or extended coverage.	1-Year Ottuhr Warranty
Original Box	No
Original Papers	No

Technical Condition

Timing: The watch has been measured with a timegrapher at six different positions. The rate, amplitude, and beat error are within acceptable ranges.

Functions: All functions including the crown winding, time setting, etc are working as expected.

‍Integrity: The movement shows no signs of damage, rust, or corrosion, with all components appearing clean and well-maintained.

Authenticity / Warranty

Authenticity: Each timepiece is evaluated and authenticated in-house. This watch is guaranteed to be correct to its manufacturer and time period.

Warranty: This timepiece includes a 1-year mechanical warranty, activated upon the date of purchase.

Shipping & Returns

Shipping: This timepeice includes complimentary insured shipping within all 50 states.

Returns: If, for any reason, you are not entirely satisfied with your purchase, you may return the product for a full refund within 30 days from the date you received or signed for the item.

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