Seiko Cal. 7073 - 178

This Spring Drive model from 1975 features a 45mm Hardlex-Coated Steel case. With its 19mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-1ca5fb235ce2]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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