Seiko Cal. 3869 - 102

Seiko 3869-102

The 3869-102 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3869 caliber with 25j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-6b472cfb0829]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
46mm
Case Thickness
14.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
90m
Dial Color
Black
Jewels
25j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1977

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