Seiko Cal. 3846 - 649

This Spring Drive model from 1977 features a 34mm Hardlex-Coated Steel case. Powered by the 3846 caliber with 36j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-bdd8a07bd2f9]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1977

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