Seiko Cal. 4488 - 821

The 4488-821 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4488 caliber with 27j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-cf9d068b89ae]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1976

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