Seiko Cal. 5663 - 750

The 5663-750 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5663 caliber with 19j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-5a954965f2be]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1978

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