Seiko Cal. 5661 - 274

This Kinetic model from 1968 features a 37mm Titanium case. Powered by the 5661 caliber with 28j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-f230145faa27]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1968

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