Seiko Cal. 6661 - 577

Seiko 6661-577

This Kinetic model from 1990 features a 34mm Stainless Steel case. With its 18mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-da8f577feb3e]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
14.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
Navy
Jewels
22j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1990

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seikata-wm-da8f577feb3e