Seiko Cal. 6616 - 670

Seiko 6616-670

This Spring Drive model from 1992 features a 40mm Two-Tone case. With its 21mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-3b6ac5c58510]

Also known as: Tuna, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
40mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
30m
Dial Color
Green
Jewels
18j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1992

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seikata-wm-3b6ac5c58510