Seiko Cal. 7133 - 687

This Spring Drive model from 1968 features a 39mm Two-Tone case. Powered by the 7133 caliber with 19j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-ca4b38174f2e]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1968

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