Seiko Cal. 6172 - 991

Seiko 6172-991

This Automatic model from 1974 features a 40mm Hardlex-Coated Steel case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7587703c3cbf]

Also known as: Helmet, Flighty

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Black
Jewels
18j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1974

Related Models

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