Seiko Cal. 0780 - 661

The Seiko 0780-661 represents an important milestone in Seiko's 1983 lineup. With its 19mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-2fc3cccef66e]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1983

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