Seiko Cal. 4548 - 983

The 4548-983 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4548 caliber with 31j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-778f3ba30caa]

Also known as: Sumo, Panda

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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