Seiko Cal. 6658 - 954

This Spring Drive model from 1970 features a 43mm Titanium case. Powered by the 6658 caliber with 23j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-1cd85b8fe6ba]

Also known as: Samurai, Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1970

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