Seiko Cal. 4537 - 599

The Seiko 4537-599 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-679b18c5b2a6]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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