Seiko Cal. 6644 - 433

The 6644-433 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6644 caliber with 31j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-98610ef42e59]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1994

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