Seiko Cal. 6658 - 540

The 6658-540 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6658 caliber with 17j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-b26b4ed86ceb]

Also known as: Samurai, Shogun

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1980

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