Seiko Cal. 4591 - 937

Released in 1976, the Cal. 4591 with design code 937 was part of Seiko's domestic market collection. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ff0535893ad9]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

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