Seiko Cal. 5661 - 491

This Kinetic model from 1967 features a 34mm Titanium case. Powered by the 5661 caliber with 24j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-b45ecd7b231b]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1967

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