Seiko Cal. 4428 - 735

The Seiko 4428-735 represents an important milestone in Seiko's 1996 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-22d37ecaade1]

Also known as: Crown, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1996

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