Seiko Cal. 0721 - 440

Seiko 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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