Seiko Cal. 5646 - 748

Seiko 5646-748

This Hand-Winding model from 1981 features a 34mm Gold-Plated case. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-d6f662739d7b]

Also known as: World Timer, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1981

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