Seiko Cal. 6646 - 663

This Hand-Winding model from 1995 features a 37mm Gold-Plated case. Powered by the 6646 caliber with 20j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-54ae358c966e]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1995

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