Seiko Cal. 5644 - 724

The 5644-724 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5644 caliber with 36j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-81fa60637fce]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1984

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