Seiko Cal. 4428 - 525

The 4428-525 is a sought-after Kinetic piece from Seiko's golden era. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-d00cb52c7267]

Also known as: UFO, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1982

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