The Watch,wrist, cataloged under National Stock Number 6645-01-697-4201, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Marathon Watch Company Ltd. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-697-4201 |
| Primary Part Number | WW194027BRACE-WD |
| Item Name | Watch,wrist |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Marathon Watch Company Ltd |
| Status | ACTIVE |
| Scale Quantity | 2 |
| Second Setting Feature | INCLUDED |
| Stopwatch Feature | NOT INCLUDED |
| Civil Date Indicator | INCLUDED |
| Major Graduation Color | GREEN, LUMINESCENT |
| Movement Type | NONCONTINUOUS RUNNING |
| Scale Name | STANDARD TIME AND SUPPLEMENTAL |
| Overall Diameter | 36.0 MILLIMETERS NOMINAL MM |
| Waterproof Feature | INCLUDED |
| Face Type | OPEN |
| Bezel Type | INTEGRAL W/CASE |
| Stem Cap | PROVIDED |
| Luminous Hand | INCLUDED |
| Overall Thickness | 12.0 MILLIMETERS NOMINAL MM |
| Hand Designation | HOUR HAND AND MINUTE HAND AND SWEEP SECOND HAND |
| Scale Range | +0.0 TO 12.0 HOUR AND +13.0 TO 24.0 HOUR |
| Shockproof Feature | PROVIDED |
| Illuminative Method | FLUORESCENT-LUMINESCENT |
| Dial Outside Diameter | 26.0 MILLIMETERS MM |
| Maximum Test Pressure in Psi | 440.0 |
| Hand Color | RED, LUSTERLESS AND GREEN, LUMINESCENT |
| Movement Size Designation | 11-1/2 |
| Jewel Quantity | 3 |
| Dial Scale Marking Luminosity | LUMINOUS |
| Graduation Unit | 1.000 SECOND OR 1.000 MINUTE OR 1.000 HOUR |
| Nonmagnetic Characteristic | INCLUDED |
| Maximum Running Time | 1300.0 DAYS |
| Color | WHITE, LUSTERLESS BACKGROUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| WW194027BRACE-WD | Marathon Watch Company Ltd (CAN) |
| Reference | Meaning |
|---|---|
| MIL-PRF-46374G | 4/1 Identification reference U.S. Government activity |
NSN 6645-01-697-4201 is a Watch,wrist, manufactured by Marathon Watch Company Ltd, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-697-4201 has 1 manufacturer part number on file: WW194027BRACE-WD (Marathon Watch Company Ltd).
Key specifications for WW194027BRACE-WD: Scale Quantity: 2; Second Setting Feature: INCLUDED; Stopwatch Feature: NOT INCLUDED; Civil Date Indicator: INCLUDED. 28 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.