Seiko Cal. 5648 - 111

Seiko 5648-111

This Quartz model from 1975 features a 37mm Hardlex-Coated Steel case. Powered by the 5648 caliber with 23j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-fa85c3704488]

Also known as: Helmet, Arnie

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Silver
Jewels
23j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1975

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