Seiko Cal. 4550 - 456

The Seiko 4550-456 represents an important milestone in Seiko's 1984 lineup. It features a Green dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-444c8f8c2c05]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1984

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