Seiko Cal. 6154 - 761

This Spring Drive model from 1973 features a 45mm Hardlex-Coated Steel case. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-963a8388acfb]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1973

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