Seiko Cal. 3831 - 649

Seiko 3831-649

This Automatic model from 1995 features a 41mm PVD Black case. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-10a85ade147c]

Also known as: UFO, Bellmatic

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
41mm
Case Thickness
14.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Burgundy
Jewels
34j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1995

Related Models

seikata-wm-10a85ade147c