Seiko Cal. 3853 - 521

Seiko 3853-521

The 3853-521 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3853 caliber with 32j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-c837c82ec05d]

Also known as: Monster, Bullhead

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
10.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
White
Jewels
32j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1986

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