Seiko Cal. 6121 - 729

The 6121-729 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6121 caliber with 36j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-5ba0c1c203f2]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1969

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