Seiko Cal. 4478 - 921

The Seiko 4478-921 represents an important milestone in Seiko's 1984 lineup. Powered by the 4478 caliber with 19j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-951ea830aad5]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1984

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