Seiko Cal. 6658 - 353

The 6658-353 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6658 caliber with 24j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-116b8ac62574]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1970

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