Seiko Cal. 7143 - 688

Seiko 7143-688

The Seiko 7143-688 represents an important milestone in Seiko's 1965 lineup. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-5ba0c18f4733]

Also known as: Navigator, Crown

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Green
Jewels
27j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1965

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