Seiko Cal. 6646 - 183

This Spring Drive model from 1968 features a 39mm Two-Tone case. Powered by the 6646 caliber with 19j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-8801a21b3b59]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1968

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