Seiko Cal. 5635 - 510

The Seiko 5635-510 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-b84cf487ab4f]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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