Seiko Cal. 4578 - 337

The Seiko 4578-337 represents an important milestone in Seiko's 1998 lineup. Powered by the 4578 caliber with 19j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-fcb6bbc3cc4b]

Also known as: Sumo, Panda

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1998

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