Seiko Cal. 5610 - 136

The Seiko 5610-136 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-a1205116bb5a]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1969

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