Seiko Cal. 5635 - 627

The Seiko 5635-627 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-f1f71b86d8f5]

Also known as: Turtle, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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