Seiko Cal. 6633 - 412

This Spring Drive model from 1969 features a 41mm Two-Tone case. Powered by the 6633 caliber with 34j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-7ccf51bd92b4]

Also known as: Panda, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1969

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