Seiko Cal. 5639 - 774

Seiko 5639-774

The 5639-774 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5639 caliber with 31j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-3d7765c6779c]

Also known as: Panda, Bullhead

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
46mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Burgundy
Jewels
31j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1975

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