Seiko Cal. 4439 - 521

Released in 1976, the Cal. 4439 with design code 521 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-8af64b3d1331]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1976

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