Timefactors · Microbrand · United Kingdom
Timefactors Baby Speedbird PRS-51
- Miyota 9015
- 36 mm × 11.4 mm
- Sapphire crystal
- 100 m water resistance
Where to buy
Movement
- Caliber
- Miyota 9015
- Type
- Automatic
- Tier
- Mid
- Complications
- Date
- Frequency
- 28,800 bph
- Power reserve
- 42 h
- Hacking
- Yes
- Accuracy (factory)
- -10 / +30 s/day
Case
- Diameter
- 36 mm
- Lug to lug
- 42 mm
- Thickness
- 11.4 mm
- Lug width
- 18 mm
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 100 m
- Crown
- Screw-down
- Case back
- —
- Bezel
- —
- Finishing
- Brushed
Crystal & dial
- Crystal
- Sapphire
- Shape
- Domed
- Anti-reflective
- Inner
- Lume
- Super-LumiNova C3 X1
Bracelet & clasp
- Style
- —
- Links per row
- —
- Solid end links
- Yes
- Solid links
- Yes
- Link attachment
- Screws
- Taper
- —
- Quick release
- —
- Half links
- —
- Clasp
- Butterfly
- Micro-adjust
- —
- Diver extension
- —
Weight
- Head only
- —
- On bracelet
- 146 g
- On strap
- —
Prices
| Variant | Configuration | Type | Price | USD | As of | Source |
|---|---|---|---|---|---|---|
| All | — | Msrp | 325 GBP | $433 | 2026-10-24 | link |
About this entry
84% of key specs known. Missing: hardening, bracelet links, clasp micro-adjust.
36mm version of the Speedbird pilot's watch, with the same specification as its larger sister apart from size and movement. Product page: 316L brushed steel, 36mm (39.7mm with crown), 42mm lug-to-lug, 11.4mm to the top of the sapphire, 18mm lugs, anti-magnetic to 20,000 A/m, 146g on the bracelet, screw back and screw-down crown; bombé sapphire 31.5mm x 1.5mm with AR on the underside; black dial, Super-LumiNova X1-C3 on the indices and frosted silver hands; date at 6 in the photos. Water resistance is written "100ATM/100 metres/330 feet": the 100m figure is recorded (the importer read 1,000m from "100ATM"). Bracelet: solid links with screwed links, solid end links and a signed butterfly clasp. Miyota 9015, Japanese made; case made in Hong Kong. Marked "Final production run"; available on 2026-10-25.
Last verified: 2026-10-25. Edit or correct this entry.
Sources
- Timefactors, Baby Speedbird PRS-51 product page (specification, price) accessed 2026-10-25