Seiko Cal. 5268 - 139

The Seiko 5268-139 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-658e87c84ccf]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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