Seiko Cal. 3891 - 373

Seiko 3891-373

This Hand-Winding model from 1971 features a 44mm Hardlex-Coated Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-3307cb3994f7]

Also known as: Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Burgundy
Jewels
32j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1971

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