1 in stock

Bulova 30 Jewels Automatic Cal. 10COAC Waffle Dial Stainless Steel Case

This is a sophisticated vintage Bulova “30 Jewels” Automatic, dating to the mid-20th century. The watch features a crisp stainless steel case with straight, faceted lugs and a highly desirable textured “waffle” or honeycomb dial. It is powered by the high-grade Bulova Caliber 10COAC automatic movement, a 30-jewel powerhouse designed for superior longevity and precision, making this a rare combination of mechanical excess and aesthetic restraint.

1 in stock

1 in stock

General

Manufactured

USA

Department

Men

Dial Color

Cream

Case

Case Shape

Round

Bezel

Fixed

Case Material

Stainless Steel

Case Width

33mm

Case Height

38.4mm

Strap / Bracelet

Lug Width

18mm

Strap Material

Leather

Strap Color

Brown

Clasp

Buckle

Max Wrist Size

8.5"

Movement

Movement

Automatic

Caliber

Bulova 10COAC

Accuracy

< 15 seconds

The movement showed a daily accuracy deviation ranging from 0 to 15 seconds across six positions.

Extras

Warranty

2-Year Ottuhr Warranty

Our standard two-year mechanical warranty which covers the mechanical functions and accuracy of the timepiece.
Original Box

No

Original Papers

No

Overview

In the 1950s and 60s, the watch industry was locked in a “Jewel War.” Manufacturers believed, or at least wanted the public to believe, that more jewels equaled a better watch. While the standard for a high-quality timepiece was 17 or 21 jewels, Bulova decided to flex their engineering muscles by pushing the count to an impressive 30. This wasn’t just marketing fluff; the additional jewels in the automatic winding system of this watch were there to reduce friction and wear, creating a movement that was effectively “over-engineered” for daily use. This “30 Jewels” model stands as a fascinating artifact of that era, a time when American brands were going toe-to-toe with the Swiss aristocracy in a battle of specs.

The Caliber 10COAC beating inside is a testament to that ambition. It is a robust, self-winding engine that was often adjusted for multiple positions and temperatures, a level of attention usually reserved for chronometers. But while the mechanics are impressive, the real reason collectors hunt for this specific reference is the dial. In a sea of flat silver faces, this example sports a stunning “waffle” or honeycomb texture. This three-dimensional guilloché pattern catches the light in a way that is utterly mesmerizing, adding depth and complexity to the watch face that photos often fail to fully capture. It is a design detail famously associated with the Rolex “Honeycomb” references of the same era, but executed here with a distinct Bulova flair.

This particular example is a masterclass in texture. The waffle pattern is crisp and defined, providing a rich backdrop for the applied silver indices and dauphine hands. The stainless steel case is modest in its dimensions but substantial in its presence, featuring lugs with distinct faceting that gives the watch a slightly architectural feel. It is a design that manages to be both dressy and sporty, a versatility that was the hallmark of the best mid-century design.

Condition is paramount when dealing with textured dials, as moisture or damage can easily ruin the intricate pattern. This example has survived beautifully, with the dial retaining its sharpness and the stainless steel case showing the honest, unpolished lines of a watch that has been worn with care. The “30 Jewels” script is proud and legible, a subtle brag that only the wearer needs to know about.

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: 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 2-year mechanical warranty, activated upon the date of purchase. Warranty Policy

Shipping: This timepeice includes complimentary insured shipping within all 50 states, and options for expedited shipping. Shipping Information

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. Read our Return Policy

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