Seiko Cal. 5646 - 963

This Spring Drive model from 1981 features a 39mm Hardlex-Coated Steel case. Powered by the 5646 caliber with 19j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-5b72571593b3]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1981

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