Seiko Cal. 5680 - 270

This Spring Drive model from 1970 features a 41mm Hardlex-Coated Steel case. Powered by the 5680 caliber with 25j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-e3ab161f088d]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1970

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