Seiko Cal. 4478 - 740

Released in 1998, the Cal. 4478 with design code 740 was part of Seiko's domestic market collection. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-1b3b098bd9dc]

Also known as: Sumo, Panda

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1998

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