Seiko Cal. 6645 - 571

The 6645-571 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6645 caliber with 28j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-f165a839b5bc]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1999

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