Seiko Cal. 3880 - 630

Seiko 3880-630

The 3880-630 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3880 caliber with 35j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-6abd83d5a978]

Also known as: UFO, Emperor

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
13.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
35j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1986

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