Seiko Cal. 4420 - 641

This Solar model from 1990 features a 46mm PVD Black case. Powered by the 4420 caliber with 27j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-d52780be1284]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1990

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