Seiko Cal. 5668 - 780

Seiko 5668-780

This Spring Drive model from 1967 features a 36mm Stainless Steel case. Powered by the 5668 caliber with 21j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-580930342a4b]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
180m
Dial Color
Burgundy
Jewels
21j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1967

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