Seiko Cal. 4488 - 721

Released in 1981, the Cal. 4488 with design code 721 was part of Seiko's domestic market collection. Powered by the 4488 caliber with 25j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-dd5fadccf1f9]

Also known as: Goldfeather, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1981

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