Seiko Cal. 6658 - 750

The 6658-750 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-a6be40be168f]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1977

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