Seiko Cal. 4550 - 818

Released in 1999, the Cal. 4550 with design code 818 was part of Seiko's domestic market collection. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-17af62ca870d]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1999

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