Seiko Cal. 4538 - 523

The 4538-523 is a sought-after Kinetic piece from Seiko's golden era. With its 19mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-f6e49ad1319a]

Also known as: Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1975

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