Seiko Cal. 7066 - 553

The Seiko 7066-553 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-d5da1c33e7de]

Also known as: Sumo, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1973

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