Seiko Cal. 4437 - 928

Released in 1978, the Cal. 4437 with design code 928 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-954d9aa9138b]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1978

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