Seiko Cal. 5620 - 857

The Seiko 5620-857 represents an important milestone in Seiko's 1969 lineup. With its 18mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-fabdfbb593fa]

Also known as: Turtle, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1969

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