Seiko Cal. 4436 - 724

The 4436-724 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4436 caliber with 30j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-cee4eec0e628]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1999

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