Seiko Cal. 4448 - 821

The 4448-821 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4448 caliber with 17j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-a6995a59e763]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1997

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