Seiko Cal. 4448 - 384

The 4448-384 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4448 caliber with 21j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-3ac55079ca9c]

Also known as: Pogue, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1993

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