Seiko Cal. 5646 - 875

The 5646-875 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5646 caliber with 23j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-8de33af30924]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1987

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