Seiko Cal. 6634 - 550

The 6634-550 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6634 caliber with 36j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-2c911a3513a1]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1998

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