Seiko Cal. 5676 - 326

This Hand-Winding model from 1971 features a 40mm Two-Tone case. Powered by the 5676 caliber with 24j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-750dee38510c]

Also known as: Monster, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1971

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