Seiko Cal. 5678 - 856

This Hand-Winding model from 1970 features a 40mm Titanium case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-342dbf238c35]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1970

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