Seiko Cal. 5650 - 536

The Seiko 5650-536 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-fa875bf9765c]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1970

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