Seiko Cal. 0723 - 691

Seiko 0723-691

This Hand-Winding model from 1971 features a 37mm Hardlex-Coated Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-11913d4a3b67]

Also known as: Silverwave, Flighty

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1971

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seikata-wm-11913d4a3b67