Seiko Cal. 6650 - 537

The Seiko 6650-537 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-76b02063e081]

Also known as: Samurai, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1968

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