Seiko Cal. 5658 - 658

The 5658-658 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5658 caliber with 17j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-035d87664c13]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1995

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