Seiko Cal. 4420 - 860

This Spring Drive model from 1998 features a 34mm PVD Black case. Powered by the 4420 caliber with 20j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-5ac96bf0e8ab]

Also known as: Pogue, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1998

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