Seiko Cal. 4448 - 903

The 4448-903 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4448 caliber with 32j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-43099c6d6fb8]

Also known as: Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1968

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