Seiko Cal. 4421 - 754

The Seiko 4421-754 represents an important milestone in Seiko's 1992 lineup. It features a Navy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-92c8c3bf61db]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1992

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