Seiko Cal. 4448 - 810

The Seiko 4448-810 represents an important milestone in Seiko's 1986 lineup. Powered by the 4448 caliber with 22j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-923f60cd3a9f]

Also known as: Tuna, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1986

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