Seiko Cal. 5639 - 494

Seiko 5639-494

This Hand-Winding model from 1977 features a 41mm Hardlex-Coated Steel case. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-ca58e882a069]

Also known as: Tuna, Pogue

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
11.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
150m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1977

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seikata-wm-ca58e882a069