Seiko Cal. 5646 - 412

Seiko 5646-412

This Quartz model from 1987 features a 40mm PVD Black case. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-1e358100a6d3]

Also known as: World Timer, Golden Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
40mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1987

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