Seiko Cal. 4533 - 121

The Seiko 4533-121 represents an important milestone in Seiko's 1999 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7e55bf8fb457]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1999

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