Seiko Cal. 6181 - 406

This Spring Drive model from 1973 features a 34mm Two-Tone case. With its 18mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-eaf35ef0ad6b]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1973

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