Seiko Cal. 4420 - 747

This Solar model from 1991 features a 45mm PVD Black case. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-eb23fa62b857]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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