Seiko Cal. 4550 - 290

The Seiko 4550-290 represents an important milestone in Seiko's 1995 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-96caca50ca4a]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1995

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