Seiko Cal. 6678 - 835

This Hand-Winding model from 1973 features a 41mm Titanium case. Powered by the 6678 caliber with 21j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-0b7c6f385852]

Also known as: World Timer, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1973

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