Seiko Cal. 4445 - 898

The 4445-898 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4445 caliber with 25j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-aae0b4b8c840]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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