Seiko Cal. 4550 - 421

The Seiko 4550-421 represents an important milestone in Seiko's 1992 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-ea54bda04c02]

Also known as: Bullhead, Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1992

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