Seiko Cal. 5612 - 187

The Seiko 5612-187 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-9cb61d457483]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1966

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