Seiko Cal. 4591 - 190

This Spring Drive model from 1968 features a 46mm Titanium case. With its 21mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-0889d3a7662d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1968

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