Seiko Cal. 5633 - 869

This Spring Drive model from 1987 features a 39mm Two-Tone case. Powered by the 5633 caliber with 19j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-4ae9735e7fa7]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1987

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