Seiko Cal. 6636 - 353

The 6636-353 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6636 caliber with 36j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-afc8adb43c10]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1968

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