Seiko Cal. 4524 - 906

This Spring Drive model from 1967 features a 40mm PVD Black case. Powered by the 4524 caliber with 35j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-25df3182b6cd]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1967

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