Seiko Cal. 5650 - 551

The Seiko 5650-551 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-64deb155922c]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1971

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