Seiko Cal. 4550 - 401

The Seiko 4550-401 represents an important milestone in Seiko's 1990 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-ef497274ff45]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1990

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