Seiko Cal. 6671 - 429

The Seiko 6671-429 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-caa3abf2e48c]

Also known as: Monster, Shogun

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1975

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