Seiko Cal. 4426 - 717

Seiko 4426-717

This Automatic model from 1982 features a 36mm Stainless Steel case. Powered by the 4426 caliber with 31j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-5d6d71fdc393]

Also known as: Sumo, UFO

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
15.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
150m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1982

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