Seiko Cal. 3842 - 640

This Quartz model from 1970 features a 39mm Hardlex-Coated Steel case. Powered by the 3842 caliber with 19j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-1e2d93edb2cf]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1970

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