Seiko Cal. 4428 - 398

This Solar model from 1984 features a 40mm Stainless Steel case. It features a Silver dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-08640b23c304]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1984

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