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The Encyclopedia of Horology

Wristwatch · Chronograph

Bulova Marine Star Chronograph Ref. 98B104

Partially verified

This is a pre-owned Bulova Marine Star 'Series A' quartz chronograph wristwatch, reference 98B104. The watch features a two-tone rose gold-tone and black stainless steel case measuring 43 mm across (48.4 mm including the crown) with a thickness of 12.5 mm. Its black textured dial displays rose gold-toned Roman numeral hour markers, three subsidiary dials, and an angled date display between the 4 and 5 o'clock positions. The watch is fitted with an original Bulova black rubber two-piece strap and features decorative screws on the rose gold-toned bezel.

Front view of Bulova Marine Star Chronograph ref. 98B104 showing black dial and rose gold-tone bezel
Front view of Bulova Marine Star Chronograph ref. 98B104 showing black dial and rose gold-tone bezel — SECOND HAND HOROLOGY. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.secondhandhorology.com
Category
Wristwatch · Chronograph
Maker / attribution
Bulova
Reference
98B104
Catalogue / lot identifier
WA-3699
Source-reported date
Not established
Country
Not established
Source-reported serial
212K24258

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Identity and Model Details

The watch is identified by the seller as a pre-owned Bulova Marine Star "Series A" Chronograph reference 98B104. The listing title indicates it comes with "Box & Papers!" although specific production dates are not recorded in the source text.

Reported case back markings include "BULOVA Stainless Steel Water Resistant 100M C4601490 212K24258 98B104". The watch is marked for 100 meters of water resistance.

Evidence for this section
  • “BULOVA Marine Star Chronograph 100m Date Indicator Ref. 98B104 Box & Papers!”
  • “pre-owned Bulova Marine Star "Series A" Chronograph wristwatch reference 98B104.”
  • “Case Markings: BULOVA Stainless Steel Water Resistant 100M C4601490 212K24258 98B104”
  • “100M Water resistant.”

Case Construction and Dimensions

The stainless steel round case features a two-tone rose gold-tone and black exterior. In the description narrative, the seller notes a "44mm two-tone rose gold and black round case", while the structured measurements list the case diameter at 43 mm, 48.4 mm including the crown, 51 mm lug-to-lug, and 12.5 mm in thickness.

Visual inspection confirms the rose gold-toned bezel is accented with six dark screws or studs, and two pushers flank a guarded crown at the 3 o'clock position. The seller notes it is fitted with an "original Bulova black rubber two-piece strap" with a lug width of 24 mm.

Evidence for this section
  • “Cased in a 44mm two-tone rose gold and black round case, all in stainless-steel.”
  • “Case 43”
  • “Case w/Crown 48.4”
  • “Case Lug to Lug 51”
  • “Case Thickness 12.5”
  • “Lug Width 24”
  • “original Bulova black rubber two-piece strap.”
  • “Rose gold-toned bezel secured or accented with six dark screws/studs”
  • “Two chronograph pushers flanking a guarded winding crown at 3 o'clock”

Dial Display and Movement Functionality

The dial is black with texturing/patterning, rose gold-tone Roman numeral hour markers, and matching hands. Direct observation records three subsidiary dials and an angled date window between 4 and 5 o'clock (described in seller prose as located at 4). The dial is signed with "Bulova", "Marine Star", and "100M".

According to the seller, the watch operates on a quartz movement featuring a 60-minute and 60-second chronograph function as well as a date indicator. Movement caliber numbers and internal mechanical components are not depicted or recorded in the source.

Evidence for this section
  • “Stunning black patterned dial with rose gold Roman Numerals, rose gold minute/second tracks and rose gold/luminous matching hands.”
  • “The date window is located at 4.”
  • “The dial is also signed with the Bulova name, Marine Star and 100M as well.”
  • “high-performance quartz watch with chronograph function (60 minutes and 60 seconds) and date indicator.”
  • “Black textured dial with applied rose gold-tone Roman numerals and three subdials”
  • “Date aperture angled between the 4 and 5 o'clock positions”

Open research questions

  • What specific quartz movement caliber is utilized in reference 98B104?
  • What year of manufacture is indicated by Bulova date codes on the case back or movement for serial 212K24258?

Source evidence

Recorded claims and source quotations for Bulova Marine Star Chronograph Ref. 98B104
FieldSource-reported valueSource quotation
Reference98B104“BULOVA Marine Star Chronograph 100m Date Indicator Ref. 98B104”
Case MarkingsBULOVA Stainless Steel Water Resistant 100M C4601490 212K24258 98B104“Case Markings: BULOVA Stainless Steel Water Resistant 100M C4601490 212K24258 98B104”
Case Thickness12.5 mm“Case Thickness 12.5”
Water Resistance100M“100M Water resistant.”
StrapOriginal Bulova black rubber two-piece strap“original Bulova black rubber two-piece strap.”
Case Lug to Lug51 mm“Case Lug to Lug 51”
Case with Crown48.4 mm“Case w/Crown 48.4”
Lug Width24 mm“Lug Width 24”
Band Width24 mm“Band Width 24”

Visible details

  • Rose gold-toned bezel secured or accented with six dark screws/studs
  • Black textured dial with applied rose gold-tone Roman numerals and three subdials
  • Date aperture angled between the 4 and 5 o'clock positions
  • Two chronograph pushers flanking a guarded winding crown at 3 o'clock
  • Mounted on an integrated black rubber strap

Research qualifications

  • Case back and movement are not visible in the provided photograph
  • Production year is not stated in the source

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

BULOVA Marine Star Chronograph 100m Date Indicator Ref. 98B104 Box & P – SECOND HAND HOROLOGY

Reviewed 2026-10-21 · Record 5c6ca4f6ed

Terms in this record

Glossary explanations for terms named in this object’s record.

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