Seiko Cal. 6678 - 411

This Automatic model from 1969 features a 35mm Stainless Steel case. Powered by the 6678 caliber with 27j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-e793a5250f46]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1969

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