Seiko Cal. 6634 - 900

The 6634-900 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6634 caliber with 36j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-799a0117de52]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1985

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