Seiko Cal. 6678 - 407

This Automatic model from 1978 features a 41mm Stainless Steel case. It features a Silver dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-1b33e29bbf7a]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1978

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