Seiko Cal. 5230 - 266

The Seiko 5230-266 represents an important milestone in Seiko's 1976 lineup. Powered by the 5230 caliber with 33j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-2aab6a80a462]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1976

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