Seiko Cal. 4537 - 420

Released in 1985, the Cal. 4537 with design code 420 was part of Seiko's domestic market collection. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-4ad7ec093066]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1985

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