Seiko
Seiko 5 SNKK27K1 Automatic 21 Jewels Blue Dial 37mm 30m Water Resistant Watch
An automatic stainless-steel dress watch with a blue dial, day-date display and 30 m water resistance
- StyleDress
- MaterialStainless Steel
- MovementAutomatic
- ShapeRound
- Dial ColorBlue
- Dial MarkersIndex
- Automatic movement with 21 jewels powers the watch without a battery
- Blue dial with quarter-speed layout and day-date display for clear reading
- 37 mm stainless-steel case and bracelet with deployment clasp for secure fit
- Mineral crystal and 30 m water resistance protect against splashes and brief immersion
- See-through case back reveals the Caliber 7S26 mechanism in motion
Seiko 5 Automatic Watch 37mm
The Seiko 5 SNKK27K1 is an automatic wristwatch with a 37 mm stainless steel case and a matching bracelet. It runs on the Caliber 7S26 movement with 21 jewels and shows the time, day and date through a mineral crystal. Water resistance is rated to 30 metres.
Dress style for daily wear
The blue dial with quarter-speed look and silver-tone indices suits office or casual settings where a classic analog face is preferred. Buyers needing higher water resistance for swimming or diving should look at another model. Those wanting a lighter titanium case or a sapphire crystal will not find those materials here.
Caliber 7S26 21-jewel movement
The automatic movement winds from wrist motion and holds 21 jewels to reduce friction. It powers the centre hands plus day and date windows at the three o'clock position. A see-through case back reveals the rotor, while the fold-over deployment clasp secures the bracelet.
Highlights
- Automatic movement with 21 jewels powers the watch without a battery
- Blue dial with quarter-speed layout and day-date display for clear reading
- 37 mm stainless-steel case and bracelet with deployment clasp for secure fit
- Mineral crystal and 30 m water resistance protect against splashes and brief immersion
- See-through case back reveals the Caliber 7S26 mechanism in motion
Specifications
| Brand | Seiko |
|---|---|
| Style | Dress |
| Material | Stainless Steel |
| Movement | Automatic |
| Shape | Round |
| Dial Color | Blue |
| Dial Markers | Index |
| Display | Analog |
| Date | Date |
| Band Material | Stainless Steel |
| Fastener | Deployment Clasp |
| Gender | Male |
| Condition | New |
| Bezel | Fixed Bezel |
| Case Material | Stainless Steel |
| Case Thickness | 37.00 mm |
| Crystal | Mineral Crystal |
| Water-Resistant | 30m |
| Special Features | Mineral Crystal,Deployment Clasp,Day and Date Display |
Questions about this item
How much daily winding or motion does the Caliber 7S26 automatic movement need to keep running overnight?
The 21-jewel Caliber 7S26 winds itself from wrist motion; wearing it for a normal day typically stores enough power to run through the night, and placing it crown-up when idle helps maintain accuracy.
What strap tools or extra links are required to size the stainless-steel bracelet with its deployment clasp?
The bracelet uses a fold-over deployment clasp with removable links; a standard spring-bar tool or pin pusher is all that is needed to add or remove links for a proper fit.
Will the 37 mm case and 11 mm thickness sit comfortably under a dress shirt cuff alongside older, thinner watches?
At 37 mm diameter and 11 mm thick, the stainless-steel case is slim enough to slide under most cuffs, and its fixed bezel and mineral crystal keep the profile low compared to many vintage pieces.
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