Seiko Cal. 5658 - 666

This Hand-Winding model from 1973 features a 40mm Titanium case. Powered by the 5658 caliber with 23j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-372d285146c9]

Also known as: Tuna, Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1973

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