Seiko Cal. 4413 - 641

Released in 1991, the Cal. 4413 with design code 641 was part of Seiko's domestic market collection. Powered by the 4413 caliber with 24j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-0086fbfa6ca4]

Also known as: UFO, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1991

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