Seiko Cal. 7172 - 842

Seiko 7172-842

This Quartz model from 1974 features a 46mm Titanium case. Powered by the 7172 caliber with 31j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-e2a6bda72c3a]

Also known as: Helmet, UFO

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
46mm
Case Thickness
11.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
White
Jewels
31j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1974

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