Seiko Chronograph Alarm 100M Ref. SNA225 (or similar 7T62 variant)
Chronograph with Alarm Complication · Seiko (Seiko Watch Corporation), Mid-range/Value Luxury tier.
Period: Modern Tool Watch Era (early 2000s)
Type
Chronograph with Alarm Complication
Brand
Seiko (Seiko Watch Corporation), Mid-range/Value Luxury tier.
Movement
Seiko Caliber 7T62 Quartz Chronograph with Alarm and Date
Dimensions
42mm diameter, 11mm thickness, 48mm lug-to-lug, 22mm integrated lug-width
Description
An industrial-leaning quartz chronograph featuring a distinct integrated-bracelet look. The silver sunburst dial and blue accents provide a technical yet sporty aesthetic suitable for daily wear.
Key Features
The 6 o'clock sub-dial serves a dual purpose: it can be set as a secondary time zone (GMT) or as a daily alarm. The bezel screws are a signature design trait of this specific Seiko series.
Dial Description
Silver sunray dial, three sub-dials (60-min counter at 12, running seconds at 9, dual-hand alarm at 6), skeletonized dauphine hands with blue accents, date window at 3, applied hour markers.
Case Material
Brushed and polished 316L Stainless Steel
Crystal Type
Flat Hardlex mineral crystal (Seiko proprietary reinforced glass)
Bezel Details
Fixed stainless steel decorative bezel with industrial screw-head accents at the 12, 2, 4, 8, and 10 positions.
Crown & Pushers
Screw-down crown with blue cabochon-style inset; rectangular polished chronograph pushers at 2 and 4.
Bracelet or Strap
Integrated-style three-link stainless steel oyster bracelet with a folding deployment clasp.
Caseback Details
Solid screw-down stainless steel case back with Seiko 'Tsunami' or wave logo and caliber markings.
Movement Type
Seiko Caliber 7T62 Quartz Chronograph with Alarm and Date
Water Resistance
100 Meters (10 Bar); suitable for swimming and snorkeling but not recommended for scuba diving.
Origin & Provenance
Japanese Movement, likely cased in China or Malaysia as per Seiko's regional manufacturing practices for this tier.
Age Estimate
Circa 2002–2012; part of the early 2000s quartz alarm-chronograph boom.
Cultural Significance
Represents the height of the 'high-function' quartz era where Japanese manufacturers dominated the accessible tool-watch market with reliable multi-complication movements.
Condition Notes
Very Good. Visible hairline scratches on the polished bezel surfaces; indices and dial appear pristine. Lume may have diminished capacity due to age.
Value Estimate
$150 - $250 USD depending on the functionality of the alarm and presence of original links.
Care & Maintenance
Battery replacement every 3-5 years; gaskets should be checked for water resistance every 2 years; clean bracelet with a soft brush and water.
Similar Watches
Seiko Flightmaster (SNA411), Citizen Eco-Drive Calendrier, Tissot PRC 200 Quartz Chronograph.
Interesting Facts
The 7T62 movement is one of Seiko's most prolific quartz engines, known for the 'sweeping' 1/5th second chronograph hand that mimics a mechanical watch movement.