Seiko Cal. 6634 - 150

The 6634-150 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6634 caliber with 20j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-f3c291b65765]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1978

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