Seiko Cal. 4428 - 403

This Solar model from 1988 features a 45mm PVD Black case. Powered by the 4428 caliber with 36j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-7c6531ef86a3]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1988

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