Seiko Cal. 3866 - 730

Seiko 3866-730

The 3866-730 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-72e490dbc031]

Also known as: UFO, Arnie

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
40mm
Case Thickness
13.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1976

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