Seiko Cal. 4574 - 495

This Spring Drive model from 1973 features a 40mm Titanium case. Powered by the 4574 caliber with 33j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-a36a063c6163]

Also known as: Pogue, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1973

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