Seiko Cal. 4591 - 499

This Spring Drive model from 1970 features a 42mm Titanium case. With its 20mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-e5119818144f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1970

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