~ 1970's Ladies Seiko 17 Jewel Automatic Watch ~
A great vintage watch with graduated black dial, seconds hand and date aperture.
The face is marked "Seiko", "Automatic", "17 Jewels", "Hi Beat", has bar numerals and steel hands. The case is of stainless steel, the strap is of brown leather.
The reverse of the case reads...
"Seiko Stainless Steel 580346 2205-3120 Japan-B"
~ Condition ~
It runs and adjusts well.
~ Dimensions ~
The bezel is 2.8 cm across by 2.7 cm (including the lugs).
Movement:
Type: Automatic (self-winding).
Jewels: 17 jewels, which are synthetic ruby bearings used to reduce friction in the movement's intricate parts, enhancing durability and accuracy.
Power Reserve: Typically 24–36 hours, depending on the specific movement model.
Hand-Winding: Some models allow manual winding in addition to automatic operation.
Case:
Material: Stainless steel or gold-plated, offering durability and resistance to tarnish.
Shape: Compact, often round or oval, with smooth, feminine contours.
Size: Smaller case diameter (typically 25–30 mm), designed for women’s wrists.
Case Back: Screw-down or snap-on, often engraved with the Seiko logo, serial number, and water resistance rating.
Dial:
Design: Minimalist and elegant, with a clean layout.
Markers: Applied hour markers, often in baton or dot style, with polished finishes.
Hands: Slim and precise, matching the markers for a cohesive look.
Date Window: Some models include a date display, typically at the 3 o’clock position.
Crystal:
Material: Hardlex crystal (a Seiko specialty) or mineral glass, offering scratch resistance and clarity.
Shape: Flat or slightly domed, contributing to the watch's vintage charm.
Bracelet/Strap:
Material: Stainless steel, gold-plated, or leather.
Style: Integrated bracelet or slim strap, designed for elegance and comfort.
Clasp: Fold-over clasp or buckle, depending on the model.
Water Resistance:
Typically rated for light water exposure (e.g., 30 meters/3 ATM), suitable for everyday use but not swimming or diving.
History and Significance:
Seiko in the 1970s:
During the 1970s, Seiko was at the forefront of watchmaking innovation, leading the quartz revolution while maintaining a strong presence in the mechanical watch market.
The company produced a wide range of automatic watches, combining affordability with reliable engineering.
Ladies' Watches:
Seiko catered to women with stylish, functional timepieces that complemented their lifestyles.
The 17-jewel automatic movement was a hallmark of Seiko's commitment to quality, offering precision and longevity.
Automatic Movement:
Seiko's automatic movements were highly regarded for their robustness and efficiency, featuring self-winding mechanisms powered by the wearer's wrist motion.
The 17-jewel configuration was common for mid-range automatic watches, balancing performance and cost-effectiveness.
Design Trends:
The 1970s saw a blend of classic and modern design elements, with Seiko watches reflecting the era's minimalist aesthetic and practical functionality.
