Seiko Cal. 5266 - 837

The Seiko 5266-837 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-384a40acb1db]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1984

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