Seiko Cal. 4448 - 452

The Seiko 4448-452 represents an important milestone in Seiko's 1978 lineup. Powered by the 4448 caliber with 23j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-3dd78d512f00]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1978

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