Seiko Cal. 6634 - 500

This Spring Drive model from 1990 features a 46mm Hardlex-Coated Steel case. Powered by the 6634 caliber with 35j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-28e09a24ee61]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1990

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