Seiko Cal. 3855 - 387

Seiko 3855-387

This Automatic model from 1975 features a 44mm Titanium case. Powered by the 3855 caliber with 35j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-30ba4ac93ae3]

Also known as: Monster, Emperor

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
44mm
Case Thickness
9.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Green
Jewels
35j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1975

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seikata-wm-30ba4ac93ae3