Seiko VK64A

Seiko Instruments (TMI) · Meca-quartz · Mid tier · Family: Seiko VK6x meca-quartz

Meca-quartz chronograph: quartz-regulated timekeeping with a mechanical chronograph module (instant zero reset). Two-register version of the VK63 with no running seconds: 60-minute chronograph counter at 9, 24-hour indicator at 3 (synchronised with the hour hand, not an independent GMT), 1/5-second centre chronograph hand, date with quick correction, time setting with stop-second. TMI spec sheet and technical guide: 13½ lignes, Ø30.80mm, 5.10mm high, 0 jewels, accuracy within ±20 s/month, SR936SW battery, battery life about 3 years (assuming 60 minutes of chronograph use per day).

Watches with the Seiko VK64A

Watch	Price from	Movement	Dia. mm	Thick mm	Crystal	Micro-adjust
Addiesdive AD2037 Panda Chronograph	$70	Seiko VK64A	38	12.8	Mineral	no bracelet
Addiesdive AD2095	$72	Seiko VK64A	38	12.8	Mineral	no bracelet
Addiesdive AD2529	$78	Seiko VK64A	38	12.8	K1 mineral	no bracelet
Addiesdive AD2520	$80	Seiko VK64A	40	13	K1 mineral	—
Addiesdive AD2538	$85	Seiko VK64A	39	12	Sapphire	no bracelet
Addiesdive AD2558	$85	Seiko VK64A	40	13	K1 mineral	—
Addiesdive AD2516	$89	Seiko VK64A	38	12.8	K1 mineral	no bracelet
Addiesdive AD2557	$90	Seiko VK64A	40	13	K1 mineral	Tool (pin holes)
Addiesdive AD2559	$90	Seiko VK64A	40	13	K1 mineral	—
Pagani Design PD-1711	$104	Seiko VK64A	42	15	Sapphire	—
Tactical Frog VK64 TV Chronograph	$124	Seiko VK64A	—	12	Sapphire	—
Pagani Design PD-1811	$128	Seiko VK64A	44	12.8	Sapphire	no bracelet
Pagani Design PD-1766	$129	Seiko VK64A	40	12	Sapphire	—
Pagani Design PD-1708	$133	Seiko VK64A	38	11.7	Sapphire	—
Pagani Design PD-1718	$138	Seiko VK64A	39.5	13	Sapphire	—
Pagani Design PD-1813	$152	Seiko VK64A	39.5	13.2	Sapphire	—
Pagani Design PD-1725	$157	Seiko VK64A	42	14.7	Sapphire	no bracelet
Pagani Design PD-1822	$157	Seiko VK64A	39.5	13	Sapphire	no bracelet
Pagani Design PD-YS032	$166	Seiko VK64A	44	11.8	Sapphire	no bracelet
San Martin SN0101 38mm (VK64)	$199	Seiko VK64A	38	11.5	Sapphire	no bracelet
San Martin SN0127 39.5mm	$199	Seiko VK64A	39.5	11.9	K1 mineral	no bracelet
Pagani Design PD-1775	$199	Seiko VK64A	37.5	13	Sapphire	—
Islander DPA Mecha-Quartz Chronograph	$229	Seiko VK64A	40	12.5	Sapphire	—
Mercer Brigadier Chronograph	$229	Seiko VK64A	42	11	Sapphire	no bracelet
San Martin SN0116 39.5mm (VK64)	$235	Seiko VK64A	39.5	12.2	Sapphire	On-the-fly
Undone Urban (VK64)	$260	Seiko VK64A	40	—	K1 mineral	—
Pook Watches Nitrogen	$280	Seiko VK64A	42	—	K1 mineral	—
Undone GAMEON Arcade Shooter	$280	Seiko VK64A	42	13.5	Mineral	no bracelet
Undone Type 20	$285	Seiko VK64A	41.5	12	K1 mineral	no bracelet
Undone Urban Sport (VK64)	$285	Seiko VK64A	41.8	13.5	K1 mineral	no bracelet
Timefactors Precista PRS-45 Aerotimer	$353	Seiko VK64A	42	13	Sapphire	—
Brew Retrograph	$375	Seiko VK64A	38	10.4	Sapphire	no bracelet
Undone Carbono	$380	Seiko VK64A	41.8	13.3	Sapphire	no bracelet
Tusenö First 38	$394	Seiko VK64A	38	11.3	Sapphire	—
Tusenö First 42	$394	Seiko VK64A	42	11.5	Sapphire	—
Hemel HFT20	$450	Seiko VK64A	42	—	Sapphire	—
Tsao Baltimore Constellation Chrono-Diver	$450	Seiko VK64A	41	15	Sapphire	—
Trafford S.O.E. Roadster	$499	Seiko VK64A	41	12.7	Sapphire	—
Geckota GT Racing Chronograph	$532	Seiko VK64A	40	12.7	Acrylic	—
Furlan Marri Mechaquartz Chronograph 38mm	$558	Seiko VK64A	38	12	Sapphire	no bracelet
Unimatic Modello Tre U3FB	$718	Seiko VK64A	40	14.1	Sapphire	—
Unimatic Modello Tre U3	$718	Seiko VK64A	41.5	14.1	Sapphire	—
Furlan Marri Mechaquartz Chronograph 38mm Bronze	$879	Seiko VK64A	38	—	Sapphire	no bracelet

Sources

• Time Module (TMI), VK64A watch movement specification and drawing (rev. 14.12.2021)
• Time Module (TMI), Cal. VK6 series (VK61A/64A) technical guide and parts catalogue
• Time Module (TMI), VK series meca-quartz chronograph