Seiko Cal. 5659 - 731

The 5659-731 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5659 caliber with 34j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-23be6c446237]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1984

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