Seiko Cal. 6678 - 171

The Seiko 6678-171 represents an important milestone in Seiko's 1969 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-b43fe842afa0]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1969

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