Seiko Cal. 3840 - 398

This Automatic model from 1965 features a 43mm PVD Black case. Powered by the 3840 caliber with 35j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-e6a34fa3afa9]

Also known as: Bullhead, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1965

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