Seiko Cal. 6178 - 793

The Seiko 6178-793 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-def159ca72ca]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1972

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