Seiko Cal. 4591 - 257

This Spring Drive model from 1966 features a 43mm Stainless Steel case. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-a7cfc8774773]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

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