Seiko Cal. 4428 - 812

Released in 1987, the Cal. 4428 with design code 812 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-52ef7e4694c1]

Also known as: Pogue, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1987

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