Seiko Cal. 4537 - 324

The Seiko 4537-324 represents an important milestone in Seiko's 1990 lineup. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-89bb71c9810e]

Also known as: Sumo, Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1990

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