Seiko Cal. 3851 - 993

Seiko 3851-993

This Automatic model from 1971 features a 39mm Two-Tone case. Powered by the 3851 caliber with 22j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-aa0b54245be7]

Also known as: UFO, Flighty

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
10.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
80m
Dial Color
Navy
Jewels
22j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1971

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