Seiko Cal. 6616 - 967

This Spring Drive model from 1976 features a 41mm PVD Black case. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-c4f713b00a22]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1976

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