Seiko Cal. 6661 - 845

Seiko 6661-845

This Spring Drive model from 1987 features a 37mm Two-Tone case. With its 20mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-e1d43fe0a5be]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1987

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