Seiko Cal. 6616 - 649

Seiko 6616-649

This Quartz model from 1982 features a 40mm Titanium case. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-37e14e40fa3f]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
40mm
Case Thickness
9.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
40m
Dial Color
White
Jewels
26j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1982

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