Seiko Cal. 4591 - 228

The Seiko 4591-228 represents an important milestone in Seiko's 1985 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-886bdd1885d9]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1985

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