Seiko Cal. 4448 - 558

The Seiko 4448-558 represents an important milestone in Seiko's 1972 lineup. Powered by the 4448 caliber with 33j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-a0b31858c341]

Also known as: Monster, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1972

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