Seiko Cal. 6398 - 286

This Hand-Winding model from 1977 features a 44mm PVD Black case. Powered by the 6398 caliber with 25j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-e20990916db6]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1977

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