Seiko Cal. 4513 - 558

This Spring Drive model from 1969 features a 38mm Titanium case. Powered by the 4513 caliber with 31j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-86bf7ee1e7c0]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1969

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