Seiko Cal. 0721 - 440

The 0721-440 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0721 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-f5ecd2d3a3fa]

Also known as: Samurai, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1999

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