Seiko Cal. 5266 - 558

This Spring Drive model from 1976 features a 35mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-b2eb9d909c32]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1976

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