Miyota 90S5

Citizen (Miyota) · Automatic · Mid tier · Family: Miyota 90xx

Open-heart member of the 90xx family: no date, with a small dial window over the balance. Factory spec: 11½ lignes (spec sheet marks Φ26.00mm), 3.90mm high, 24 jewels, 28,800 vph, about 42h running time, accuracy -10 to +30 s/day, posture difference under 30 s, lift angle 51°, stop-second, automatic and hand winding.

Watches with the Miyota 90S5

Watch	Price from	Movement	Dia. mm	Thick mm	Crystal	Micro-adjust
Cadisen C8140L	$170	Miyota 90S5	34	8	Sapphire	—
Cadisen C8140M	$170	Miyota 90S5	40	8	Sapphire	—
Watchdives WD5513M (90S5)	$289	Miyota 90S5	40.7	11.8	Sapphire	On-the-fly
Islander Astoria Automatic (Miyota 90S5)	$359	Miyota 90S5	34	9.2	Sapphire	no bracelet
San Martin SN0144 39mm (Miyota 90S5)	$368	Miyota 90S5	39	10.1	Sapphire	On-the-fly
San Martin SN0151 39mm (Miyota 90S5)	$399	Miyota 90S5	39	11	Sapphire	On-the-fly
San Martin SN0126 38mm	$409	Miyota 90S5	38	11.7	Sapphire	On-the-fly
San Martin SN0126 42mm	$409	Miyota 90S5	42	13.6	Sapphire	On-the-fly
San Martin SN0144 36mm (Miyota 90S5)	$428	Miyota 90S5	36	10.1	Sapphire	On-the-fly
San Martin SN0149 40mm	$428	Miyota 90S5	40	10.5	Sapphire	—
Islander Brookville Calligraphy Edition (Miyota 90S5)	$429	Miyota 90S5	38	11	Sapphire	Tool-free
Islander Northport 37mm	$429	Miyota 90S5	37	11.7	Sapphire	Tool-free
Watchdives WDC0001 (90S5)	$459	Miyota 90S5	39	10.2	Sapphire	—
KUOE Royal Smith 90-006 35mm	$562	Miyota 90S5	35	10.8	Sapphire	—
KUOE Royal Smith 90-006 39mm	$562	Miyota 90S5	39	10.8	Sapphire	no bracelet
MKII Fulcrum 39 Non-date	$975	Miyota 90S5	39.5	14.1	Sapphire	On-the-fly
Kurono Tokyo 2026 Anniversary Malachite (Kujaku-ishi)	$1,850	Miyota 90S5	37	11.5	Sapphire	no bracelet

Sources

• Miyota, Cal. 90S5 Premium Mechanical (official spec page)
• Miyota, Cal. 90S5 spec sheet