Seiko Cal. 3893 - 587

This Spring Drive model from 1969 features a 35mm PVD Black case. Powered by the 3893 caliber with 32j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-e9a6f6126557]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1969

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