Seiko Cal. 3827 - 978

This Automatic model from 1972 features a 35mm Hardlex-Coated Steel case. Powered by the 3827 caliber with 19j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-d5cb1daf5117]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1972

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