Seiko Cal. 6178 - 943

The Seiko 6178-943 represents an important milestone in Seiko's 1965 lineup. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-d1537b1de9b1]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1965

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